{"title":"Foster FF Plus Series Couplers","description":"\u003cp\u003eFoster FF Plus Series flat-face hydraulic quick couplers and plugs — the upgraded ISO 16028 flush-face line. The flat-face design minimizes fluid spillage and air inclusion at connection, with bidirectional flow and an optional Connect-Under-Pressure design. Offered in nickel-plated steel and 316 stainless, salt-spray tested to 1,200 hours. Body sizes 1\/4\" to 1-1\/2\", NPT and SAE ORB threads.\u003c\/p\u003e","products":[{"product_id":"foster-ff10cupp-06-ff-plus-series","title":"Foster FF10CUPP-06, 3\/8\" Flat Face Connect-Under-Pressure Hydraulic Plug x 3\/8\" Female NPT, FF Plus Series, Nickel-Plated Steel","description":"\u003cp\u003ePremium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster \u003cstrong\u003eFF10CUPP-06\u003c\/strong\u003e is a nickel-plated steel 3\/8\" plug from the FF Plus Series — Foster's upgraded flat-face line built to ISO 16028, rated to 5075 PSI. The flat faces wipe clean, include almost no air on connection, and spill almost no oil on disconnect.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Foster\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e FF Plus (Flat Face, ISO 16028)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e FF10CUPP-06\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO 16028 Size:\u003c\/strong\u003e 10\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterchange:\u003c\/strong\u003e 3\/8\" ISO 16028 Flat Face\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody:\u003c\/strong\u003e 3\/8\" Plug\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e 3\/8\" Female NPT, FPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Flat Face, no-spill \/ no air inclusion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecial:\u003c\/strong\u003e Connect Under Pressure (CUP) - connects with residual line pressure\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow:\u003c\/strong\u003e Bidirectional\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Nickel-Plated Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal:\u003c\/strong\u003e Nitrile std (Viton available)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Working Pressure:\u003c\/strong\u003e 5075 PSI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion:\u003c\/strong\u003e Tested 1,200 hrs salt spray (no white\/red rust)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature:\u003c\/strong\u003e Nitrile -40 to 223F; Viton -4 to 392F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard:\u003c\/strong\u003e ISO 16028, tested to ISO 7241-2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1pc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in USA\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhy this plug\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlat face, no-spill design\u003c\/strong\u003e — which means virtually no fluid loss on disconnect and minimal air inclusion on connect, keeping systems clean.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlat faces wipe clean\u003c\/strong\u003e — which means you can wipe both halves before connecting, critical in dirty field environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBidirectional flow\u003c\/strong\u003e — which means oil can flow either direction through the coupling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety locking sleeve\u003c\/strong\u003e — which means protection against accidental disconnection under load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1,200-hour salt-spray tested\u003c\/strong\u003e — which means proven corrosion resistance with no white or red rust.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZinc-nickel plated carbon steel\u003c\/strong\u003e — which means a tough, corrosion-resistant body at a working-tool price point.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect Under Pressure\u003c\/strong\u003e — which means it can be connected even when residual pressure is trapped in the line, eliminating frustrating no-connect situations.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFrequently asked questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat does this connect to?\u003c\/strong\u003e\u003cbr\u003eIt meets ISO 16028 flat face and connects with matching 3\/8\" FF Plus sockets.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat pressure is it rated for?\u003c\/strong\u003e\u003cbr\u003eRated to 5075 PSI maximum working pressure.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy a flat\/flush face?\u003c\/strong\u003e\u003cbr\u003eFlat-face couplers spill almost no oil on disconnect and include almost no air on connect, and the faces wipe clean — ideal for keeping hydraulic systems contamination-free.\u003c\/p\u003e\u003cp\u003ePair this plug with a matching 3\/8\" FF Plus socket for a complete connection. Ideal for portable hydraulic tools, construction and utility equipment, and field maintenance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy FF Plus vs standard flush face:\u003c\/strong\u003e The FF Plus line is the upgraded option — offered in both nickel-plated steel and 316 stainless, with bidirectional flow, a Connect-Under-Pressure option, and 1,200-hour salt-spray corrosion testing. It exceeds the basic flush-face spec while remaining ISO 16028 intermateable.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy buy from hpcouplers:\u003c\/strong\u003e Foster quality, responsive US-based support, accurate specs, fast shipping.\u003c\/p\u003e","brand":"Foster","offers":[{"title":"Default Title","offer_id":45530450886703,"sku":"FOST FF10CUPP-06 (1)","price":102.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9849\/files\/Foster_Stock_Image_v1.png?v=1781220743"},{"product_id":"foster-ff10cupp-08-ff-plus-series","title":"Foster FF10CUPP-08, 3\/8\" Flat Face Connect-Under-Pressure Hydraulic Plug x 1\/2\" Female NPT, FF Plus Series, Nickel-Plated Steel","description":"\u003cp\u003ePremium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster \u003cstrong\u003eFF10CUPP-08\u003c\/strong\u003e is a nickel-plated steel 3\/8\" plug from the FF Plus Series — Foster's upgraded flat-face line built to ISO 16028, rated to 5075 PSI. The flat faces wipe clean, include almost no air on connection, and spill almost no oil on disconnect.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Foster\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e FF Plus (Flat Face, ISO 16028)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e FF10CUPP-08\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO 16028 Size:\u003c\/strong\u003e 10\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterchange:\u003c\/strong\u003e 3\/8\" ISO 16028 Flat Face\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody:\u003c\/strong\u003e 3\/8\" Plug\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e 1\/2\" Female NPT, FPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Flat Face, no-spill \/ no air inclusion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecial:\u003c\/strong\u003e Connect Under Pressure (CUP) - connects with residual line pressure\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow:\u003c\/strong\u003e Bidirectional\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Nickel-Plated Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal:\u003c\/strong\u003e Nitrile std (Viton available)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Working Pressure:\u003c\/strong\u003e 5075 PSI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion:\u003c\/strong\u003e Tested 1,200 hrs salt spray (no white\/red rust)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature:\u003c\/strong\u003e Nitrile -40 to 223F; Viton -4 to 392F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard:\u003c\/strong\u003e ISO 16028, tested to ISO 7241-2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1pc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in USA\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhy this plug\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlat face, no-spill design\u003c\/strong\u003e — which means virtually no fluid loss on disconnect and minimal air inclusion on connect, keeping systems clean.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlat faces wipe clean\u003c\/strong\u003e — which means you can wipe both halves before connecting, critical in dirty field environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBidirectional flow\u003c\/strong\u003e — which means oil can flow either direction through the coupling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety locking sleeve\u003c\/strong\u003e — which means protection against accidental disconnection under load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1,200-hour salt-spray tested\u003c\/strong\u003e — which means proven corrosion resistance with no white or red rust.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZinc-nickel plated carbon steel\u003c\/strong\u003e — which means a tough, corrosion-resistant body at a working-tool price point.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect Under Pressure\u003c\/strong\u003e — which means it can be connected even when residual pressure is trapped in the line, eliminating frustrating no-connect situations.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFrequently asked questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat does this connect to?\u003c\/strong\u003e\u003cbr\u003eIt meets ISO 16028 flat face and connects with matching 3\/8\" FF Plus sockets.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat pressure is it rated for?\u003c\/strong\u003e\u003cbr\u003eRated to 5075 PSI maximum working pressure.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy a flat\/flush face?\u003c\/strong\u003e\u003cbr\u003eFlat-face couplers spill almost no oil on disconnect and include almost no air on connect, and the faces wipe clean — ideal for keeping hydraulic systems contamination-free.\u003c\/p\u003e\u003cp\u003ePair this plug with a matching 3\/8\" FF Plus socket for a complete connection. Ideal for portable hydraulic tools, construction and utility equipment, and field maintenance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy FF Plus vs standard flush face:\u003c\/strong\u003e The FF Plus line is the upgraded option — offered in both nickel-plated steel and 316 stainless, with bidirectional flow, a Connect-Under-Pressure option, and 1,200-hour salt-spray corrosion testing. It exceeds the basic flush-face spec while remaining ISO 16028 intermateable.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy buy from hpcouplers:\u003c\/strong\u003e Foster quality, responsive US-based support, accurate specs, fast shipping.\u003c\/p\u003e","brand":"Foster","offers":[{"title":"Default Title","offer_id":45530450952239,"sku":"FOST FF10CUPP-08 (1)","price":102.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9849\/files\/Foster_Stock_Image_v1.png?v=1781220743"},{"product_id":"foster-ff10p-06-ff-plus-series","title":"Foster FF10P-06, 3\/8\" Flat Face Hydraulic Plug x 3\/8\" Female NPT, FF Plus Series, Nickel-Plated Steel","description":"\u003cp\u003ePremium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster \u003cstrong\u003eFF10P-06\u003c\/strong\u003e is a nickel-plated steel 3\/8\" plug from the FF Plus Series — Foster's upgraded flat-face line built to ISO 16028, rated to 5075 PSI. The flat faces wipe clean, include almost no air on connection, and spill almost no oil on disconnect.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Foster\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e FF Plus (Flat Face, ISO 16028)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e FF10P-06\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO 16028 Size:\u003c\/strong\u003e 10\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterchange:\u003c\/strong\u003e 3\/8\" ISO 16028 Flat Face\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody:\u003c\/strong\u003e 3\/8\" Plug\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e 3\/8\" Female NPT, FPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Flat Face, no-spill \/ no air inclusion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow:\u003c\/strong\u003e Bidirectional\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Nickel-Plated Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal:\u003c\/strong\u003e Nitrile std (Viton available)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Working Pressure:\u003c\/strong\u003e 5075 PSI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion:\u003c\/strong\u003e Tested 1,200 hrs salt spray (no white\/red rust)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature:\u003c\/strong\u003e Nitrile -40 to 223F; Viton -4 to 392F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard:\u003c\/strong\u003e ISO 16028, tested to ISO 7241-2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1pc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in USA\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhy this plug\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlat face, no-spill design\u003c\/strong\u003e — which means virtually no fluid loss on disconnect and minimal air inclusion on connect, keeping systems clean.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlat faces wipe clean\u003c\/strong\u003e — which means you can wipe both halves before connecting, critical in dirty field environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBidirectional flow\u003c\/strong\u003e — which means oil can flow either direction through the coupling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety locking sleeve\u003c\/strong\u003e — which means protection against accidental disconnection under load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1,200-hour salt-spray tested\u003c\/strong\u003e — which means proven corrosion resistance with no white or red rust.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZinc-nickel plated carbon steel\u003c\/strong\u003e — which means a tough, corrosion-resistant body at a working-tool price point.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFrequently asked questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat does this connect to?\u003c\/strong\u003e\u003cbr\u003eIt meets ISO 16028 flat face and connects with matching 3\/8\" FF Plus sockets.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat pressure is it rated for?\u003c\/strong\u003e\u003cbr\u003eRated to 5075 PSI maximum working pressure.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy a flat\/flush face?\u003c\/strong\u003e\u003cbr\u003eFlat-face couplers spill almost no oil on disconnect and include almost no air on connect, and the faces wipe clean — ideal for keeping hydraulic systems contamination-free.\u003c\/p\u003e\u003cp\u003ePair this plug with a matching 3\/8\" FF Plus socket for a complete connection. Ideal for portable hydraulic tools, construction and utility equipment, and field maintenance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy FF Plus vs standard flush face:\u003c\/strong\u003e The FF Plus line is the upgraded option — offered in both nickel-plated steel and 316 stainless, with bidirectional flow, a Connect-Under-Pressure option, and 1,200-hour salt-spray corrosion testing. It exceeds the basic flush-face spec while remaining ISO 16028 intermateable.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy buy from hpcouplers:\u003c\/strong\u003e Foster quality, responsive US-based support, accurate specs, fast shipping.\u003c\/p\u003e","brand":"Foster","offers":[{"title":"Default Title","offer_id":45530451017775,"sku":"FOST FF10P-06 (1)","price":17.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9849\/files\/Foster_Stock_Image_v1.png?v=1781220743"},{"product_id":"foster-ff10p-06ss-ff-plus-series","title":"Foster FF10P-06SS, 3\/8\" Flat Face Hydraulic Plug x 3\/8\" Female NPT, FF Plus Series, 316 Stainless Steel","description":"\u003cp\u003ePremium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster \u003cstrong\u003eFF10P-06SS\u003c\/strong\u003e is a 316 stainless steel 3\/8\" plug from the FF Plus Series — Foster's upgraded flat-face line built to ISO 16028, rated to 5075 PSI. 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The flat faces wipe clean, include almost no air on connection, and spill almost no oil on disconnect.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Foster\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e FF Plus (Flat Face, ISO 16028)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e FF10P-08SS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO 16028 Size:\u003c\/strong\u003e 10\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterchange:\u003c\/strong\u003e 3\/8\" ISO 16028 Flat Face\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody:\u003c\/strong\u003e 3\/8\" Plug\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e 1\/2\" Female NPT, FPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Flat Face, no-spill \/ no air inclusion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow:\u003c\/strong\u003e Bidirectional\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 316 Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal:\u003c\/strong\u003e Nitrile std (Viton available)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Working Pressure:\u003c\/strong\u003e 5075 PSI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion:\u003c\/strong\u003e Tested 1,200 hrs salt spray (no white\/red rust)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature:\u003c\/strong\u003e Nitrile -40 to 223F; Viton -4 to 392F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard:\u003c\/strong\u003e ISO 16028, tested to ISO 7241-2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1pc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in USA\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhy this plug\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlat face, no-spill design\u003c\/strong\u003e — which means virtually no fluid loss on disconnect and minimal air inclusion on connect, keeping systems clean.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlat faces wipe clean\u003c\/strong\u003e — which means you can wipe both halves before connecting, critical in dirty field environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBidirectional flow\u003c\/strong\u003e — which means oil can flow either direction through the coupling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety locking sleeve\u003c\/strong\u003e — which means protection against accidental disconnection under load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1,200-hour salt-spray tested\u003c\/strong\u003e — which means proven corrosion resistance with no white or red rust.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e316 stainless steel\u003c\/strong\u003e — which means superior corrosion resistance for marine, washdown, and chemical service.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFrequently asked questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat does this connect to?\u003c\/strong\u003e\u003cbr\u003eIt meets ISO 16028 flat face and connects with matching 3\/8\" FF Plus sockets.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat pressure is it rated for?\u003c\/strong\u003e\u003cbr\u003eRated to 5075 PSI maximum working pressure.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy a flat\/flush face?\u003c\/strong\u003e\u003cbr\u003eFlat-face couplers spill almost no oil on disconnect and include almost no air on connect, and the faces wipe clean — ideal for keeping hydraulic systems contamination-free.\u003c\/p\u003e\u003cp\u003ePair this plug with a matching 3\/8\" FF Plus socket for a complete connection. 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The flat faces wipe clean, include almost no air on connection, and spill almost no oil on disconnect.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Foster\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e FF Plus (Flat Face, ISO 16028)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e FF10S-06SS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO 16028 Size:\u003c\/strong\u003e 10\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterchange:\u003c\/strong\u003e 3\/8\" ISO 16028 Flat Face\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody:\u003c\/strong\u003e 3\/8\" Coupler\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e 3\/8\" Female NPT, FPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Flat Face, no-spill \/ no air inclusion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow:\u003c\/strong\u003e Bidirectional\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 316 Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal:\u003c\/strong\u003e Nitrile std (Viton available)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Working Pressure:\u003c\/strong\u003e 5075 PSI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion:\u003c\/strong\u003e Tested 1,200 hrs salt spray (no white\/red rust)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature:\u003c\/strong\u003e Nitrile -40 to 223F; Viton -4 to 392F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard:\u003c\/strong\u003e ISO 16028, tested to ISO 7241-2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1pc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in USA\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhy this coupler\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlat face, no-spill design\u003c\/strong\u003e — which means virtually no fluid loss on disconnect and minimal air inclusion on connect, keeping systems clean.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlat faces wipe clean\u003c\/strong\u003e — which means you can wipe both halves before connecting, critical in dirty field environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBidirectional flow\u003c\/strong\u003e — which means oil can flow either direction through the coupling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety locking sleeve\u003c\/strong\u003e — which means protection against accidental disconnection under load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1,200-hour salt-spray tested\u003c\/strong\u003e — which means proven corrosion resistance with no white or red rust.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e316 stainless steel\u003c\/strong\u003e — which means superior corrosion resistance for marine, washdown, and chemical service.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFrequently asked questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat does this connect to?\u003c\/strong\u003e\u003cbr\u003eIt meets ISO 16028 flat face and connects with matching 3\/8\" FF Plus plugs.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat pressure is it rated for?\u003c\/strong\u003e\u003cbr\u003eRated to 5075 PSI maximum working pressure.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy a flat\/flush face?\u003c\/strong\u003e\u003cbr\u003eFlat-face couplers spill almost no oil on disconnect and include almost no air on connect, and the faces wipe clean — ideal for keeping hydraulic systems contamination-free.\u003c\/p\u003e\u003cp\u003ePair this coupler with a matching 3\/8\" FF Plus plug for a complete connection. 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The flat faces wipe clean, include almost no air on connection, and spill almost no oil on disconnect.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Foster\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e FF Plus (Flat Face, ISO 16028)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e FF12CUPP-08\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO 16028 Size:\u003c\/strong\u003e 12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterchange:\u003c\/strong\u003e 1\/2\" ISO 16028 Flat Face\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody:\u003c\/strong\u003e 1\/2\" Plug\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e 1\/2\" Female NPT, FPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Flat Face, no-spill \/ no air inclusion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecial:\u003c\/strong\u003e Connect Under Pressure (CUP) - connects with residual line pressure\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow:\u003c\/strong\u003e Bidirectional\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Nickel-Plated Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal:\u003c\/strong\u003e Nitrile std (Viton available)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Working Pressure:\u003c\/strong\u003e 5075 PSI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion:\u003c\/strong\u003e Tested 1,200 hrs salt spray (no white\/red rust)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature:\u003c\/strong\u003e Nitrile -40 to 223F; Viton -4 to 392F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard:\u003c\/strong\u003e ISO 16028, tested to ISO 7241-2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1pc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in USA\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhy this plug\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlat face, no-spill design\u003c\/strong\u003e — which means virtually no fluid loss on disconnect and minimal air inclusion on connect, keeping systems clean.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlat faces wipe clean\u003c\/strong\u003e — which means you can wipe both halves before connecting, critical in dirty field environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBidirectional flow\u003c\/strong\u003e — which means oil can flow either direction through the coupling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety locking sleeve\u003c\/strong\u003e — which means protection against accidental disconnection under load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1,200-hour salt-spray tested\u003c\/strong\u003e — which means proven corrosion resistance with no white or red rust.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZinc-nickel plated carbon steel\u003c\/strong\u003e — which means a tough, corrosion-resistant body at a working-tool price point.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect Under Pressure\u003c\/strong\u003e — which means it can be connected even when residual pressure is trapped in the line, eliminating frustrating no-connect situations.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFrequently asked questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat does this connect to?\u003c\/strong\u003e\u003cbr\u003eIt meets ISO 16028 flat face and connects with matching 1\/2\" FF Plus sockets.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat pressure is it rated for?\u003c\/strong\u003e\u003cbr\u003eRated to 5075 PSI maximum working pressure.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy a flat\/flush face?\u003c\/strong\u003e\u003cbr\u003eFlat-face couplers spill almost no oil on disconnect and include almost no air on connect, and the faces wipe clean — ideal for keeping hydraulic systems contamination-free.\u003c\/p\u003e\u003cp\u003ePair this plug with a matching 1\/2\" FF Plus socket for a complete connection. Ideal for portable hydraulic tools, construction and utility equipment, and field maintenance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy FF Plus vs standard flush face:\u003c\/strong\u003e The FF Plus line is the upgraded option — offered in both nickel-plated steel and 316 stainless, with bidirectional flow, a Connect-Under-Pressure option, and 1,200-hour salt-spray corrosion testing. It exceeds the basic flush-face spec while remaining ISO 16028 intermateable.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy buy from hpcouplers:\u003c\/strong\u003e Foster quality, responsive US-based support, accurate specs, fast shipping.\u003c\/p\u003e","brand":"Foster","offers":[{"title":"Default Title","offer_id":45530451836975,"sku":"FOST FF12CUPP-08 (1)","price":115.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9849\/files\/Foster_Stock_Image_v1.png?v=1781220743"},{"product_id":"foster-ff12cupp-12-ff-plus-series","title":"Foster FF12CUPP-12, 1\/2\" Flat Face Connect-Under-Pressure Hydraulic Plug x 3\/4\" Female NPT, FF Plus Series, Nickel-Plated Steel","description":"\u003cp\u003ePremium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster \u003cstrong\u003eFF12CUPP-12\u003c\/strong\u003e is a nickel-plated steel 1\/2\" plug from the FF Plus Series — Foster's upgraded flat-face line built to ISO 16028, rated to 5075 PSI. 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Ideal for portable hydraulic tools, construction and utility equipment, and field maintenance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy FF Plus vs standard flush face:\u003c\/strong\u003e The FF Plus line is the upgraded option — offered in both nickel-plated steel and 316 stainless, with bidirectional flow, a Connect-Under-Pressure option, and 1,200-hour salt-spray corrosion testing. It exceeds the basic flush-face spec while remaining ISO 16028 intermateable.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy buy from hpcouplers:\u003c\/strong\u003e Foster quality, responsive US-based support, accurate specs, fast shipping.\u003c\/p\u003e","brand":"Foster","offers":[{"title":"Default Title","offer_id":45530451869743,"sku":"FOST FF12CUPP-12 (1)","price":115.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9849\/files\/Foster_Stock_Image_v1.png?v=1781220743"},{"product_id":"foster-ff12p-08-ff-plus-series","title":"Foster FF12P-08, 1\/2\" Flat Face Hydraulic Plug x 1\/2\" Female NPT, FF Plus Series, Nickel-Plated Steel","description":"\u003cp\u003ePremium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster \u003cstrong\u003eFF12P-08\u003c\/strong\u003e is a nickel-plated steel 1\/2\" plug from the FF Plus Series — Foster's upgraded flat-face line built to ISO 16028, rated to 5075 PSI. The flat faces wipe clean, include almost no air on connection, and spill almost no oil on disconnect.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Foster\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e FF Plus (Flat Face, ISO 16028)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e FF12P-08\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO 16028 Size:\u003c\/strong\u003e 12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterchange:\u003c\/strong\u003e 1\/2\" ISO 16028 Flat Face\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody:\u003c\/strong\u003e 1\/2\" Plug\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e 1\/2\" Female NPT, FPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Flat Face, no-spill \/ no air inclusion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow:\u003c\/strong\u003e Bidirectional\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Nickel-Plated Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal:\u003c\/strong\u003e Nitrile std (Viton available)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Working Pressure:\u003c\/strong\u003e 5075 PSI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion:\u003c\/strong\u003e Tested 1,200 hrs salt spray (no white\/red rust)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature:\u003c\/strong\u003e Nitrile -40 to 223F; Viton -4 to 392F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard:\u003c\/strong\u003e ISO 16028, tested to ISO 7241-2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1pc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in USA\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhy this plug\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlat face, no-spill design\u003c\/strong\u003e — which means virtually no fluid loss on disconnect and minimal air inclusion on connect, keeping systems clean.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlat faces wipe clean\u003c\/strong\u003e — which means you can wipe both halves before connecting, critical in dirty field environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBidirectional flow\u003c\/strong\u003e — which means oil can flow either direction through the coupling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety locking sleeve\u003c\/strong\u003e — which means protection against accidental disconnection under load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1,200-hour salt-spray tested\u003c\/strong\u003e — which means proven corrosion resistance with no white or red rust.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZinc-nickel plated carbon steel\u003c\/strong\u003e — which means a tough, corrosion-resistant body at a working-tool price point.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFrequently asked questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat does this connect to?\u003c\/strong\u003e\u003cbr\u003eIt meets ISO 16028 flat face and connects with matching 1\/2\" FF Plus sockets.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat pressure is it rated for?\u003c\/strong\u003e\u003cbr\u003eRated to 5075 PSI maximum working pressure.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy a flat\/flush face?\u003c\/strong\u003e\u003cbr\u003eFlat-face couplers spill almost no oil on disconnect and include almost no air on connect, and the faces wipe clean — ideal for keeping hydraulic systems contamination-free.\u003c\/p\u003e\u003cp\u003ePair this plug with a matching 1\/2\" FF Plus socket for a complete connection. Ideal for portable hydraulic tools, construction and utility equipment, and field maintenance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy FF Plus vs standard flush face:\u003c\/strong\u003e The FF Plus line is the upgraded option — offered in both nickel-plated steel and 316 stainless, with bidirectional flow, a Connect-Under-Pressure option, and 1,200-hour salt-spray corrosion testing. 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The Foster \u003cstrong\u003eFF12P-106ORB\u003c\/strong\u003e is a nickel-plated steel 1\/2\" plug from the FF Plus Series — Foster's upgraded flat-face line built to ISO 16028, rated to 5075 PSI. 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The Foster \u003cstrong\u003eFF12P-12SS\u003c\/strong\u003e is a 316 stainless steel 1\/2\" plug from the FF Plus Series — Foster's upgraded flat-face line built to ISO 16028, rated to 5075 PSI. The flat faces wipe clean, include almost no air on connection, and spill almost no oil on disconnect.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Foster\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e FF Plus (Flat Face, ISO 16028)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e FF12P-12SS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO 16028 Size:\u003c\/strong\u003e 12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterchange:\u003c\/strong\u003e 1\/2\" ISO 16028 Flat Face\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody:\u003c\/strong\u003e 1\/2\" Plug\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e 3\/4\" Female NPT, FPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Flat Face, no-spill \/ no air inclusion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow:\u003c\/strong\u003e Bidirectional\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 316 Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal:\u003c\/strong\u003e Nitrile std (Viton available)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Working Pressure:\u003c\/strong\u003e 5075 PSI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion:\u003c\/strong\u003e Tested 1,200 hrs salt spray (no white\/red rust)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature:\u003c\/strong\u003e Nitrile -40 to 223F; Viton -4 to 392F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard:\u003c\/strong\u003e ISO 16028, tested to ISO 7241-2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1pc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in USA\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhy this plug\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlat face, no-spill design\u003c\/strong\u003e — which means virtually no fluid loss on disconnect and minimal air inclusion on connect, keeping systems clean.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlat faces wipe clean\u003c\/strong\u003e — which means you can wipe both halves before connecting, critical in dirty field environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBidirectional flow\u003c\/strong\u003e — which means oil can flow either direction through the coupling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety locking sleeve\u003c\/strong\u003e — which means protection against accidental disconnection under load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1,200-hour salt-spray tested\u003c\/strong\u003e — which means proven corrosion resistance with no white or red rust.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e316 stainless steel\u003c\/strong\u003e — which means superior corrosion resistance for marine, washdown, and chemical service.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFrequently asked questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat does this connect to?\u003c\/strong\u003e\u003cbr\u003eIt meets ISO 16028 flat face and connects with matching 1\/2\" FF Plus sockets.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat pressure is it rated for?\u003c\/strong\u003e\u003cbr\u003eRated to 5075 PSI maximum working pressure.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy a flat\/flush face?\u003c\/strong\u003e\u003cbr\u003eFlat-face couplers spill almost no oil on disconnect and include almost no air on connect, and the faces wipe clean — ideal for keeping hydraulic systems contamination-free.\u003c\/p\u003e\u003cp\u003ePair this plug with a matching 1\/2\" FF Plus socket for a complete connection. 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Ideal for portable hydraulic tools, construction and utility equipment, and field maintenance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy FF Plus vs standard flush face:\u003c\/strong\u003e The FF Plus line is the upgraded option — offered in both nickel-plated steel and 316 stainless, with bidirectional flow, a Connect-Under-Pressure option, and 1,200-hour salt-spray corrosion testing. 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The flat faces wipe clean, include almost no air on connection, and spill almost no oil on disconnect.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Foster\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e FF Plus (Flat Face, ISO 16028)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e FF12S-08\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO 16028 Size:\u003c\/strong\u003e 12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterchange:\u003c\/strong\u003e 1\/2\" ISO 16028 Flat Face\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody:\u003c\/strong\u003e 1\/2\" Coupler\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e 1\/2\" Female NPT, FPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Flat Face, no-spill \/ no air inclusion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow:\u003c\/strong\u003e Bidirectional\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Nickel-Plated Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal:\u003c\/strong\u003e Nitrile std (Viton available)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Working Pressure:\u003c\/strong\u003e 5075 PSI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion:\u003c\/strong\u003e Tested 1,200 hrs salt spray (no white\/red rust)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature:\u003c\/strong\u003e Nitrile -40 to 223F; Viton -4 to 392F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard:\u003c\/strong\u003e ISO 16028, tested to ISO 7241-2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1pc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in USA\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhy this coupler\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlat face, no-spill design\u003c\/strong\u003e — which means virtually no fluid loss on disconnect and minimal air inclusion on connect, keeping systems clean.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlat faces wipe clean\u003c\/strong\u003e — which means you can wipe both halves before connecting, critical in dirty field environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBidirectional flow\u003c\/strong\u003e — which means oil can flow either direction through the coupling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety locking sleeve\u003c\/strong\u003e — which means protection against accidental disconnection under load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1,200-hour salt-spray tested\u003c\/strong\u003e — which means proven corrosion resistance with no white or red rust.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZinc-nickel plated carbon steel\u003c\/strong\u003e — which means a tough, corrosion-resistant body at a working-tool price point.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFrequently asked questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat does this connect to?\u003c\/strong\u003e\u003cbr\u003eIt meets ISO 16028 flat face and connects with matching 1\/2\" FF Plus plugs.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat pressure is it rated for?\u003c\/strong\u003e\u003cbr\u003eRated to 5075 PSI maximum working pressure.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy a flat\/flush face?\u003c\/strong\u003e\u003cbr\u003eFlat-face couplers spill almost no oil on disconnect and include almost no air on connect, and the faces wipe clean — ideal for keeping hydraulic systems contamination-free.\u003c\/p\u003e\u003cp\u003ePair this coupler with a matching 1\/2\" FF Plus plug for a complete connection. 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Ideal for portable hydraulic tools, construction and utility equipment, and field maintenance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy FF Plus vs standard flush face:\u003c\/strong\u003e The FF Plus line is the upgraded option — offered in both nickel-plated steel and 316 stainless, with bidirectional flow, a Connect-Under-Pressure option, and 1,200-hour salt-spray corrosion testing. 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The Foster \u003cstrong\u003eFF16P-12SS\u003c\/strong\u003e is a 316 stainless steel 5\/8\" plug from the FF Plus Series — Foster's upgraded flat-face line built to ISO 16028, rated to 5075 PSI. The flat faces wipe clean, include almost no air on connection, and spill almost no oil on disconnect.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Foster\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e FF Plus (Flat Face, ISO 16028)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e FF16P-12SS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO 16028 Size:\u003c\/strong\u003e 16\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterchange:\u003c\/strong\u003e 5\/8\" ISO 16028 Flat Face\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody:\u003c\/strong\u003e 5\/8\" Plug\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e 3\/4\" Female NPT, FPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Flat Face, no-spill \/ no air inclusion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow:\u003c\/strong\u003e Bidirectional\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 316 Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal:\u003c\/strong\u003e Nitrile std (Viton available)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Working Pressure:\u003c\/strong\u003e 5075 PSI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion:\u003c\/strong\u003e Tested 1,200 hrs salt spray (no white\/red rust)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature:\u003c\/strong\u003e Nitrile -40 to 223F; Viton -4 to 392F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard:\u003c\/strong\u003e ISO 16028, tested to ISO 7241-2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1pc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in USA\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhy this plug\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlat face, no-spill design\u003c\/strong\u003e — which means virtually no fluid loss on disconnect and minimal air inclusion on connect, keeping systems clean.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlat faces wipe clean\u003c\/strong\u003e — which means you can wipe both halves before connecting, critical in dirty field environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBidirectional flow\u003c\/strong\u003e — which means oil can flow either direction through the coupling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety locking sleeve\u003c\/strong\u003e — which means protection against accidental disconnection under load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1,200-hour salt-spray tested\u003c\/strong\u003e — which means proven corrosion resistance with no white or red rust.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e316 stainless steel\u003c\/strong\u003e — which means superior corrosion resistance for marine, washdown, and chemical service.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFrequently asked questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat does this connect to?\u003c\/strong\u003e\u003cbr\u003eIt meets ISO 16028 flat face and connects with matching 5\/8\" FF Plus sockets.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat pressure is it rated for?\u003c\/strong\u003e\u003cbr\u003eRated to 5075 PSI maximum working pressure.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy a flat\/flush face?\u003c\/strong\u003e\u003cbr\u003eFlat-face couplers spill almost no oil on disconnect and include almost no air on connect, and the faces wipe clean — ideal for keeping hydraulic systems contamination-free.\u003c\/p\u003e\u003cp\u003ePair this plug with a matching 5\/8\" FF Plus socket for a complete connection. 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The Foster \u003cstrong\u003eFF16S-12\u003c\/strong\u003e is a nickel-plated steel 5\/8\" coupler from the FF Plus Series — Foster's upgraded flat-face line built to ISO 16028, rated to 5075 PSI. The flat faces wipe clean, include almost no air on connection, and spill almost no oil on disconnect.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Foster\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e FF Plus (Flat Face, ISO 16028)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e FF16S-12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO 16028 Size:\u003c\/strong\u003e 16\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterchange:\u003c\/strong\u003e 5\/8\" ISO 16028 Flat Face\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody:\u003c\/strong\u003e 5\/8\" Coupler\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e 3\/4\" Female NPT, FPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Flat Face, no-spill \/ no air inclusion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow:\u003c\/strong\u003e Bidirectional\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Nickel-Plated Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal:\u003c\/strong\u003e Nitrile std (Viton available)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Working Pressure:\u003c\/strong\u003e 5075 PSI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion:\u003c\/strong\u003e Tested 1,200 hrs salt spray (no white\/red rust)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature:\u003c\/strong\u003e Nitrile -40 to 223F; Viton -4 to 392F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard:\u003c\/strong\u003e ISO 16028, tested to ISO 7241-2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1pc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in USA\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhy this coupler\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlat face, no-spill design\u003c\/strong\u003e — which means virtually no fluid loss on disconnect and minimal air inclusion on connect, keeping systems clean.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlat faces wipe clean\u003c\/strong\u003e — which means you can wipe both halves before connecting, critical in dirty field environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBidirectional flow\u003c\/strong\u003e — which means oil can flow either direction through the coupling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety locking sleeve\u003c\/strong\u003e — which means protection against accidental disconnection under load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1,200-hour salt-spray tested\u003c\/strong\u003e — which means proven corrosion resistance with no white or red rust.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZinc-nickel plated carbon steel\u003c\/strong\u003e — which means a tough, corrosion-resistant body at a working-tool price point.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFrequently asked questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat does this connect to?\u003c\/strong\u003e\u003cbr\u003eIt meets ISO 16028 flat face and connects with matching 5\/8\" FF Plus plugs.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat pressure is it rated for?\u003c\/strong\u003e\u003cbr\u003eRated to 5075 PSI maximum working pressure.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy a flat\/flush face?\u003c\/strong\u003e\u003cbr\u003eFlat-face couplers spill almost no oil on disconnect and include almost no air on connect, and the faces wipe clean — ideal for keeping hydraulic systems contamination-free.\u003c\/p\u003e\u003cp\u003ePair this coupler with a matching 5\/8\" FF Plus plug for a complete connection. 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Ideal for portable hydraulic tools, construction and utility equipment, and field maintenance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy FF Plus vs standard flush face:\u003c\/strong\u003e The FF Plus line is the upgraded option — offered in both nickel-plated steel and 316 stainless, with bidirectional flow, a Connect-Under-Pressure option, and 1,200-hour salt-spray corrosion testing. 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The Foster \u003cstrong\u003eFF19CUPP-16\u003c\/strong\u003e is a nickel-plated steel 3\/4\" plug from the FF Plus Series — Foster's upgraded flat-face line built to ISO 16028, rated to 5075 PSI. 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Ideal for portable hydraulic tools, construction and utility equipment, and field maintenance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy FF Plus vs standard flush face:\u003c\/strong\u003e The FF Plus line is the upgraded option — offered in both nickel-plated steel and 316 stainless, with bidirectional flow, a Connect-Under-Pressure option, and 1,200-hour salt-spray corrosion testing. It exceeds the basic flush-face spec while remaining ISO 16028 intermateable.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy buy from hpcouplers:\u003c\/strong\u003e Foster quality, responsive US-based support, accurate specs, fast shipping.\u003c\/p\u003e","brand":"Foster","offers":[{"title":"Default Title","offer_id":45530453278767,"sku":"FOST FF19CUPP-16 (1)","price":265.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9849\/files\/Foster_Stock_Image_v1.png?v=1781220743"},{"product_id":"foster-ff19p-12-ff-plus-series","title":"Foster FF19P-12, 3\/4\" Flat Face Hydraulic Plug x 3\/4\" Female NPT, FF Plus Series, Nickel-Plated Steel","description":"\u003cp\u003ePremium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster \u003cstrong\u003eFF19P-12\u003c\/strong\u003e is a nickel-plated steel 3\/4\" plug from the FF Plus Series — Foster's upgraded flat-face line built to ISO 16028, rated to 5075 PSI. The flat faces wipe clean, include almost no air on connection, and spill almost no oil on disconnect.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Foster\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e FF Plus (Flat Face, ISO 16028)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e FF19P-12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO 16028 Size:\u003c\/strong\u003e 19\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterchange:\u003c\/strong\u003e 3\/4\" ISO 16028 Flat Face\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody:\u003c\/strong\u003e 3\/4\" Plug\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e 3\/4\" Female NPT, FPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Flat Face, no-spill \/ no air inclusion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow:\u003c\/strong\u003e Bidirectional\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Nickel-Plated Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal:\u003c\/strong\u003e Nitrile std (Viton available)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Working Pressure:\u003c\/strong\u003e 5075 PSI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion:\u003c\/strong\u003e Tested 1,200 hrs salt spray (no white\/red rust)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature:\u003c\/strong\u003e Nitrile -40 to 223F; Viton -4 to 392F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard:\u003c\/strong\u003e ISO 16028, tested to ISO 7241-2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1pc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in USA\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhy this plug\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlat face, no-spill design\u003c\/strong\u003e — which means virtually no fluid loss on disconnect and minimal air inclusion on connect, keeping systems clean.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlat faces wipe clean\u003c\/strong\u003e — which means you can wipe both halves before connecting, critical in dirty field environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBidirectional flow\u003c\/strong\u003e — which means oil can flow either direction through the coupling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety locking sleeve\u003c\/strong\u003e — which means protection against accidental disconnection under load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1,200-hour salt-spray tested\u003c\/strong\u003e — which means proven corrosion resistance with no white or red rust.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZinc-nickel plated carbon steel\u003c\/strong\u003e — which means a tough, corrosion-resistant body at a working-tool price point.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFrequently asked questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat does this connect to?\u003c\/strong\u003e\u003cbr\u003eIt meets ISO 16028 flat face and connects with matching 3\/4\" FF Plus sockets.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat pressure is it rated for?\u003c\/strong\u003e\u003cbr\u003eRated to 5075 PSI maximum working pressure.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy a flat\/flush face?\u003c\/strong\u003e\u003cbr\u003eFlat-face couplers spill almost no oil on disconnect and include almost no air on connect, and the faces wipe clean — ideal for keeping hydraulic systems contamination-free.\u003c\/p\u003e\u003cp\u003ePair this plug with a matching 3\/4\" FF Plus socket for a complete connection. 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The flat faces wipe clean, include almost no air on connection, and spill almost no oil on disconnect.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Foster\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e FF Plus (Flat Face, ISO 16028)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e FF25P-16SS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO 16028 Size:\u003c\/strong\u003e 25\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterchange:\u003c\/strong\u003e 1\" ISO 16028 Flat Face\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody:\u003c\/strong\u003e 1\" Plug\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e 1\" Female NPT, FPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Flat Face, no-spill \/ no air inclusion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow:\u003c\/strong\u003e Bidirectional\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 316 Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal:\u003c\/strong\u003e Nitrile std (Viton available)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Working Pressure:\u003c\/strong\u003e 5075 PSI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion:\u003c\/strong\u003e Tested 1,200 hrs salt spray (no white\/red rust)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature:\u003c\/strong\u003e Nitrile -40 to 223F; Viton -4 to 392F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard:\u003c\/strong\u003e ISO 16028, tested to ISO 7241-2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1pc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in USA\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhy this plug\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlat face, no-spill design\u003c\/strong\u003e — which means virtually no fluid loss on disconnect and minimal air inclusion on connect, keeping systems clean.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlat faces wipe clean\u003c\/strong\u003e — which means you can wipe both halves before connecting, critical in dirty field environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBidirectional flow\u003c\/strong\u003e — which means oil can flow either direction through the coupling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety locking sleeve\u003c\/strong\u003e — which means protection against accidental disconnection under load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1,200-hour salt-spray tested\u003c\/strong\u003e — which means proven corrosion resistance with no white or red rust.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e316 stainless steel\u003c\/strong\u003e — which means superior corrosion resistance for marine, washdown, and chemical service.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFrequently asked questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat does this connect to?\u003c\/strong\u003e\u003cbr\u003eIt meets ISO 16028 flat face and connects with matching 1\" FF Plus sockets.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat pressure is it rated for?\u003c\/strong\u003e\u003cbr\u003eRated to 5075 PSI maximum working pressure.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy a flat\/flush face?\u003c\/strong\u003e\u003cbr\u003eFlat-face couplers spill almost no oil on disconnect and include almost no air on connect, and the faces wipe clean — ideal for keeping hydraulic systems contamination-free.\u003c\/p\u003e\u003cp\u003ePair this plug with a matching 1\" FF Plus socket for a complete connection. 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It exceeds the basic flush-face spec while remaining ISO 16028 intermateable.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy buy from hpcouplers:\u003c\/strong\u003e Foster quality, responsive US-based support, accurate specs, fast shipping.\u003c\/p\u003e","brand":"Foster","offers":[{"title":"Default Title","offer_id":45530455146543,"sku":"FOST FF25S-16 (1)","price":246.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9849\/files\/Foster_Stock_Image_v1.png?v=1781220743"},{"product_id":"foster-ff25s-162orb-ff-plus-series","title":"Foster FF25S-162ORB, 1\" Flat Face Hydraulic Coupler x 1-5\/8\"-12 ORB, FF Plus Series, Nickel-Plated Steel","description":"\u003cp\u003ePremium flat-face hydraulic connections that stay clean and lose virtually no fluid. 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Ideal for portable hydraulic tools, construction and utility equipment, and field maintenance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy FF Plus vs standard flush face:\u003c\/strong\u003e The FF Plus line is the upgraded option — offered in both nickel-plated steel and 316 stainless, with bidirectional flow, a Connect-Under-Pressure option, and 1,200-hour salt-spray corrosion testing. It exceeds the basic flush-face spec while remaining ISO 16028 intermateable.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy buy from hpcouplers:\u003c\/strong\u003e Foster quality, responsive US-based support, accurate specs, fast shipping.\u003c\/p\u003e","brand":"Foster","offers":[{"title":"Default Title","offer_id":45530455212079,"sku":"FOST FF25S-162ORB (1)","price":246.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9849\/files\/Foster_Stock_Image_v1.png?v=1781220743"},{"product_id":"foster-ff25s-16ss-ff-plus-series","title":"Foster FF25S-16SS, 1\" Flat Face Hydraulic Coupler x 1\" Female NPT, FF Plus Series, 316 Stainless Steel","description":"\u003cp\u003ePremium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster \u003cstrong\u003eFF25S-16SS\u003c\/strong\u003e is a 316 stainless steel 1\" coupler from the FF Plus Series — Foster's upgraded flat-face line built to ISO 16028, rated to 5075 PSI. The flat faces wipe clean, include almost no air on connection, and spill almost no oil on disconnect.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Foster\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e FF Plus (Flat Face, ISO 16028)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e FF25S-16SS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO 16028 Size:\u003c\/strong\u003e 25\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterchange:\u003c\/strong\u003e 1\" ISO 16028 Flat Face\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody:\u003c\/strong\u003e 1\" Coupler\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e 1\" Female NPT, FPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Flat Face, no-spill \/ no air inclusion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow:\u003c\/strong\u003e Bidirectional\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 316 Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal:\u003c\/strong\u003e Nitrile std (Viton available)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Working Pressure:\u003c\/strong\u003e 5075 PSI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion:\u003c\/strong\u003e Tested 1,200 hrs salt spray (no white\/red rust)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature:\u003c\/strong\u003e Nitrile -40 to 223F; Viton -4 to 392F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard:\u003c\/strong\u003e ISO 16028, tested to ISO 7241-2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1pc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in USA\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhy this coupler\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlat face, no-spill design\u003c\/strong\u003e — which means virtually no fluid loss on disconnect and minimal air inclusion on connect, keeping systems clean.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlat faces wipe clean\u003c\/strong\u003e — which means you can wipe both halves before connecting, critical in dirty field environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBidirectional flow\u003c\/strong\u003e — which means oil can flow either direction through the coupling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety locking sleeve\u003c\/strong\u003e — which means protection against accidental disconnection under load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1,200-hour salt-spray tested\u003c\/strong\u003e — which means proven corrosion resistance with no white or red rust.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e316 stainless steel\u003c\/strong\u003e — which means superior corrosion resistance for marine, washdown, and chemical service.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFrequently asked questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat does this connect to?\u003c\/strong\u003e\u003cbr\u003eIt meets ISO 16028 flat face and connects with matching 1\" FF Plus plugs.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat pressure is it rated for?\u003c\/strong\u003e\u003cbr\u003eRated to 5075 PSI maximum working pressure.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy a flat\/flush face?\u003c\/strong\u003e\u003cbr\u003eFlat-face couplers spill almost no oil on disconnect and include almost no air on connect, and the faces wipe clean — ideal for keeping hydraulic systems contamination-free.\u003c\/p\u003e\u003cp\u003ePair this coupler with a matching 1\" FF Plus plug for a complete connection. Ideal for portable hydraulic tools, construction and utility equipment, and field maintenance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy FF Plus vs standard flush face:\u003c\/strong\u003e The FF Plus line is the upgraded option — offered in both nickel-plated steel and 316 stainless, with bidirectional flow, a Connect-Under-Pressure option, and 1,200-hour salt-spray corrosion testing. 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