Foster FSS316-6401-05-04, 5/16" ORB (1/2"-20 thread) Male x 1/4" Male Pipe, 316 Stainless

Product Details

The Foster FSS316-6401-05-04 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 5/16" ORB (1/2"-20 thread) Male x 1/4" Male Pipe. Machined for leak-tight fluid-power connections and rated to 4000 PSI.

Specifications

• Brand: Foster
• Part Number: FSS316-6401-05-04
• Fitting Family: SAE O-Ring Boss (ORB)
• Connection Standard: SAE-J514
• Type: Adapter
• Description: 5/16" ORB (1/2"-20 thread) Male x 1/4" Male Pipe
• Material: 316L Stainless Steel
• Pressure Rating: 4000 PSI
• Made in USA

Why this fitting

• CORROSION RESISTANT: 316 stainless stands up to marine, food-grade, chemical, and washdown environments.
• LEAK-TIGHT SEAL: ORB connections are engineered for reliable, high-pressure fluid-power service.
• RATED TO 4000 PSI: Built for demanding hydraulic and instrumentation lines.

Frequently Asked Questions

What connection type is this? SAE O-Ring Boss (ORB) (SAE-J514).

What material? 316L Stainless Steel — select 316 for maximum corrosion resistance, 304 for general-purpose stainless service.

Brand and Manufacturer: hpcouplers. Ships fast from stock.