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Foster FF Plus Series Couplers

Foster 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.

  • Foster FHS4M4B-103, 1/2" Snap-Tite H Interchange Coupler x 1/2" Male NPT, FH Series, EPDM Seal, Brass
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    $ 42.29
    $ 42.29 - $ 42.29
    $ 42.29
    $ 33.89
    $ 33.89 - $ 33.89
    $ 33.89

    Foster FF12P-08, 1/2" Flat Face Hydraulic Plug x 1/2" Female NPT, FF Plus Series, Nickel-Plated Steel

    In stock

    Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF12P-08 is a nickel-plated steel 1/2" plug from th...

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    $ 42.29
    $ 42.29 - $ 42.29
    $ 42.29
    $ 33.89
    $ 33.89 - $ 33.89
    $ 33.89
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  • Foster FHS4M4B-103, 1/2" Snap-Tite H Interchange Coupler x 1/2" Male NPT, FH Series, EPDM Seal, Brass
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    $ 50.39
    $ 50.39 - $ 50.39
    $ 50.39
    $ 40.29
    $ 40.29 - $ 40.29
    $ 40.29

    Foster FF12P-106ORB, 1/2" Flat Face Hydraulic Plug x 1-1/16"-12 ORB, FF Plus Series, Nickel-Plated Steel

    In stock

    Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF12P-106ORB is a nickel-plated steel 1/2" plug fro...

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    $ 50.39
    $ 50.39 - $ 50.39
    $ 50.39
    $ 40.29
    $ 40.29 - $ 40.29
    $ 40.29
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  • Foster FHS4M4B-103, 1/2" Snap-Tite H Interchange Coupler x 1/2" Male NPT, FH Series, EPDM Seal, Brass
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    $ 47.99
    $ 47.99 - $ 47.99
    $ 47.99
    $ 38.39
    $ 38.39 - $ 38.39
    $ 38.39

    Foster FF12P-12, 1/2" Flat Face Hydraulic Plug x 3/4" Female NPT, FF Plus Series, Nickel-Plated Steel

    In stock

    Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF12P-12 is a nickel-plated steel 1/2" plug from th...

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    $ 47.99
    $ 47.99 - $ 47.99
    $ 47.99
    $ 38.39
    $ 38.39 - $ 38.39
    $ 38.39
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  • Foster FHS4M4B-103, 1/2" Snap-Tite H Interchange Coupler x 1/2" Male NPT, FH Series, EPDM Seal, Brass
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    $ 511.79
    $ 511.79 - $ 511.79
    $ 511.79
    $ 409.49
    $ 409.49 - $ 409.49
    $ 409.49

    Foster FF12P-12SS, 1/2" Flat Face Hydraulic Plug x 3/4" Female NPT, FF Plus Series, 316 Stainless Steel

    In stock

    Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF12P-12SS is a 316 stainless steel 1/2" plug from ...

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    $ 511.79
    $ 511.79 - $ 511.79
    $ 511.79
    $ 409.49
    $ 409.49 - $ 409.49
    $ 409.49
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  • Foster FHS4M4B-103, 1/2" Snap-Tite H Interchange Coupler x 1/2" Male NPT, FH Series, EPDM Seal, Brass
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    $ 42.69
    $ 42.69 - $ 42.69
    $ 42.69
    $ 34.19
    $ 34.19 - $ 34.19
    $ 34.19

    Foster FF12P-75ORB, 1/2" Flat Face Hydraulic Plug x 3/4"-16 ORB, FF Plus Series, Nickel-Plated Steel

    In stock

    Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF12P-75ORB is a nickel-plated steel 1/2" plug from...

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    $ 42.69
    $ 42.69 - $ 42.69
    $ 42.69
    $ 34.19
    $ 34.19 - $ 34.19
    $ 34.19
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  • Foster FHS4M4B-103, 1/2" Snap-Tite H Interchange Coupler x 1/2" Male NPT, FH Series, EPDM Seal, Brass
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    $ 48.09
    $ 48.09 - $ 48.09
    $ 48.09
    $ 38.49
    $ 38.49 - $ 38.49
    $ 38.49

    Foster FF12P-87ORB, 1/2" Flat Face Hydraulic Plug x 7/8"-14 ORB, FF Plus Series, Nickel-Plated Steel

    In stock

    Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF12P-87ORB is a nickel-plated steel 1/2" plug from...

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    $ 48.09
    $ 48.09 - $ 48.09
    $ 48.09
    $ 38.49
    $ 38.49 - $ 38.49
    $ 38.49
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  • Foster FHS4M4B-103, 1/2" Snap-Tite H Interchange Coupler x 1/2" Male NPT, FH Series, EPDM Seal, Brass
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    $ 78.29
    $ 78.29 - $ 78.29
    $ 78.29
    $ 62.59
    $ 62.59 - $ 62.59
    $ 62.59

    Foster FF12S-08, 1/2" Flat Face Hydraulic Coupler x 1/2" Female NPT, FF Plus Series, Nickel-Plated Steel

    In stock

    Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF12S-08 is a nickel-plated steel 1/2" coupler from...

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    $ 78.29
    $ 78.29 - $ 78.29
    $ 78.29
    $ 62.59
    $ 62.59 - $ 62.59
    $ 62.59
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  • Foster FHS4M4B-103, 1/2" Snap-Tite H Interchange Coupler x 1/2" Male NPT, FH Series, EPDM Seal, Brass
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    $ 574.79
    $ 574.79 - $ 574.79
    $ 574.79
    $ 459.79
    $ 459.79 - $ 459.79
    $ 459.79

    Foster FF12S-08SS, 1/2" Flat Face Hydraulic Coupler x 1/2" Female NPT, FF Plus Series, 316 Stainless Steel

    In stock

    Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF12S-08SS is a 316 stainless steel 1/2" coupler fr...

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    $ 574.79
    $ 574.79 - $ 574.79
    $ 574.79
    $ 459.79
    $ 459.79 - $ 459.79
    $ 459.79
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  • Foster FHS4M4B-103, 1/2" Snap-Tite H Interchange Coupler x 1/2" Male NPT, FH Series, EPDM Seal, Brass
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    $ 103.89
    $ 103.89 - $ 103.89
    $ 103.89
    $ 83.19
    $ 83.19 - $ 83.19
    $ 83.19

    Foster FF12S-106ORB, 1/2" Flat Face Hydraulic Coupler x 1-1/16"-12 ORB, FF Plus Series, Nickel-Plated Steel

    In stock

    Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF12S-106ORB is a nickel-plated steel 1/2" coupler ...

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    $ 103.89
    $ 103.89 - $ 103.89
    $ 103.89
    $ 83.19
    $ 83.19 - $ 83.19
    $ 83.19
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  • Foster FHS4M4B-103, 1/2" Snap-Tite H Interchange Coupler x 1/2" Male NPT, FH Series, EPDM Seal, Brass
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    $ 99.19
    $ 99.19 - $ 99.19
    $ 99.19
    $ 79.39
    $ 79.39 - $ 79.39
    $ 79.39

    Foster FF12S-12, 1/2" Flat Face Hydraulic Coupler x 3/4" Female NPT, FF Plus Series, Nickel-Plated Steel

    In stock

    Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF12S-12 is a nickel-plated steel 1/2" coupler from...

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    $ 99.19
    $ 99.19 - $ 99.19
    $ 99.19
    $ 79.39
    $ 79.39 - $ 79.39
    $ 79.39
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  • Foster FHS4M4B-103, 1/2" Snap-Tite H Interchange Coupler x 1/2" Male NPT, FH Series, EPDM Seal, Brass
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    $ 640.39
    $ 640.39 - $ 640.39
    $ 640.39
    $ 512.39
    $ 512.39 - $ 512.39
    $ 512.39

    Foster FF12S-12SS, 1/2" Flat Face Hydraulic Coupler x 3/4" Female NPT, FF Plus Series, 316 Stainless Steel

    In stock

    Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF12S-12SS is a 316 stainless steel 1/2" coupler fr...

    View full details
    $ 640.39
    $ 640.39 - $ 640.39
    $ 640.39
    $ 512.39
    $ 512.39 - $ 512.39
    $ 512.39
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  • Foster FHS4M4B-103, 1/2" Snap-Tite H Interchange Coupler x 1/2" Male NPT, FH Series, EPDM Seal, Brass
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    $ 96.79
    $ 96.79 - $ 96.79
    $ 96.79
    $ 77.49
    $ 77.49 - $ 77.49
    $ 77.49

    Foster FF12S-75ORB, 1/2" Flat Face Hydraulic Coupler x 3/4"-16 ORB, FF Plus Series, Nickel-Plated Steel

    In stock

    Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF12S-75ORB is a nickel-plated steel 1/2" coupler f...

    View full details
    $ 96.79
    $ 96.79 - $ 96.79
    $ 96.79
    $ 77.49
    $ 77.49 - $ 77.49
    $ 77.49
    Save 20% Save %
  • Foster FHS4M4B-103, 1/2" Snap-Tite H Interchange Coupler x 1/2" Male NPT, FH Series, EPDM Seal, Brass
    Save 20% Save %
    $ 96.79
    $ 96.79 - $ 96.79
    $ 96.79
    $ 77.49
    $ 77.49 - $ 77.49
    $ 77.49

    Foster FF12S-87ORB, 1/2" Flat Face Hydraulic Coupler x 7/8"-14 ORB, FF Plus Series, Nickel-Plated Steel

    In stock

    Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF12S-87ORB is a nickel-plated steel 1/2" coupler f...

    View full details
    $ 96.79
    $ 96.79 - $ 96.79
    $ 96.79
    $ 77.49
    $ 77.49 - $ 77.49
    $ 77.49
    Save 20% Save %
  • Foster FHS4M4B-103, 1/2" Snap-Tite H Interchange Coupler x 1/2" Male NPT, FH Series, EPDM Seal, Brass
    Save 20% Save %
    $ 47.09
    $ 47.09 - $ 47.09
    $ 47.09
    $ 37.69
    $ 37.69 - $ 37.69
    $ 37.69

    Foster FF16P-12, 5/8" Flat Face Hydraulic Plug x 3/4" Female NPT, FF Plus Series, Nickel-Plated Steel

    In stock

    Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF16P-12 is a nickel-plated steel 5/8" plug from th...

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    $ 47.09
    $ 47.09 - $ 47.09
    $ 47.09
    $ 37.69
    $ 37.69 - $ 37.69
    $ 37.69
    Save 20% Save %
  • Foster FHS4M4B-103, 1/2" Snap-Tite H Interchange Coupler x 1/2" Male NPT, FH Series, EPDM Seal, Brass
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    $ 535.39
    $ 535.39 - $ 535.39
    $ 535.39
    $ 428.39
    $ 428.39 - $ 428.39
    $ 428.39

    Foster FF16P-12SS, 5/8" Flat Face Hydraulic Plug x 3/4" Female NPT, FF Plus Series, 316 Stainless Steel

    In stock

    Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF16P-12SS is a 316 stainless steel 5/8" plug from ...

    View full details
    $ 535.39
    $ 535.39 - $ 535.39
    $ 535.39
    $ 428.39
    $ 428.39 - $ 428.39
    $ 428.39
    Save 20% Save %
  • Foster FHS4M4B-103, 1/2" Snap-Tite H Interchange Coupler x 1/2" Male NPT, FH Series, EPDM Seal, Brass
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    $ 112.49
    $ 112.49 - $ 112.49
    $ 112.49
    $ 89.99
    $ 89.99 - $ 89.99
    $ 89.99

    Foster FF16S-12, 5/8" Flat Face Hydraulic Coupler x 3/4" Female NPT, FF Plus Series, Nickel-Plated Steel

    In stock

    Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF16S-12 is a nickel-plated steel 5/8" coupler from...

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    $ 112.49
    $ 112.49 - $ 112.49
    $ 112.49
    $ 89.99
    $ 89.99 - $ 89.99
    $ 89.99
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  • Foster FHS4M4B-103, 1/2" Snap-Tite H Interchange Coupler x 1/2" Male NPT, FH Series, EPDM Seal, Brass
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    $ 767.69
    $ 767.69 - $ 767.69
    $ 767.69
    $ 614.19
    $ 614.19 - $ 614.19
    $ 614.19

    Foster FF16S-12SS, 5/8" Flat Face Hydraulic Coupler x 3/4" Female NPT, FF Plus Series, 316 Stainless Steel

    In stock

    Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF16S-12SS is a 316 stainless steel 5/8" coupler fr...

    View full details
    $ 767.69
    $ 767.69 - $ 767.69
    $ 767.69
    $ 614.19
    $ 614.19 - $ 614.19
    $ 614.19
    Save 20% Save %
  • Foster FHS4M4B-103, 1/2" Snap-Tite H Interchange Coupler x 1/2" Male NPT, FH Series, EPDM Seal, Brass
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    $ 332.09
    $ 332.09 - $ 332.09
    $ 332.09
    $ 265.59
    $ 265.59 - $ 265.59
    $ 265.59

    Foster FF19CUPP-16, 3/4" Flat Face Connect-Under-Pressure Hydraulic Plug x 1" Female NPT, FF Plus Series, Nickel-Plated Steel

    In stock

    Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF19CUPP-16 is a nickel-plated steel 3/4" plug from...

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    $ 332.09
    $ 332.09 - $ 332.09
    $ 332.09
    $ 265.59
    $ 265.59 - $ 265.59
    $ 265.59
    Save 20% Save %
  • Foster FHS4M4B-103, 1/2" Snap-Tite H Interchange Coupler x 1/2" Male NPT, FH Series, EPDM Seal, Brass
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    $ 70.69
    $ 70.69 - $ 70.69
    $ 70.69
    $ 56.59
    $ 56.59 - $ 56.59
    $ 56.59

    Foster FF19P-12, 3/4" Flat Face Hydraulic Plug x 3/4" Female NPT, FF Plus Series, Nickel-Plated Steel

    In stock

    Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF19P-12 is a nickel-plated steel 3/4" plug from th...

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    $ 70.69
    $ 70.69 - $ 70.69
    $ 70.69
    $ 56.59
    $ 56.59 - $ 56.59
    $ 56.59
    Save 20% Save %
  • Foster FHS4M4B-103, 1/2" Snap-Tite H Interchange Coupler x 1/2" Male NPT, FH Series, EPDM Seal, Brass
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    $ 800.49
    $ 800.49 - $ 800.49
    $ 800.49
    $ 640.39
    $ 640.39 - $ 640.39
    $ 640.39

    Foster FF19P-12SS, 3/4" Flat Face Hydraulic Plug x 3/4" Female NPT, FF Plus Series, 316 Stainless Steel

    In stock

    Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF19P-12SS is a 316 stainless steel 3/4" plug from ...

    View full details
    $ 800.49
    $ 800.49 - $ 800.49
    $ 800.49
    $ 640.39
    $ 640.39 - $ 640.39
    $ 640.39
    Save 20% Save %
  • Foster FHS4M4B-103, 1/2" Snap-Tite H Interchange Coupler x 1/2" Male NPT, FH Series, EPDM Seal, Brass
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    $ 73.99
    $ 73.99 - $ 73.99
    $ 73.99
    $ 59.19
    $ 59.19 - $ 59.19
    $ 59.19

    Foster FF19P-131ORB, 3/4" Flat Face Hydraulic Plug x 1-5/16"-12 ORB, FF Plus Series, Nickel-Plated Steel

    In stock

    Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF19P-131ORB is a nickel-plated steel 3/4" plug fro...

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    $ 73.99
    $ 73.99 - $ 73.99
    $ 73.99
    $ 59.19
    $ 59.19 - $ 59.19
    $ 59.19
    Save 20% Save %
  • Foster FHS4M4B-103, 1/2" Snap-Tite H Interchange Coupler x 1/2" Male NPT, FH Series, EPDM Seal, Brass
    Save 20% Save %
    $ 70.69
    $ 70.69 - $ 70.69
    $ 70.69
    $ 56.59
    $ 56.59 - $ 56.59
    $ 56.59

    Foster FF19P-16, 3/4" Flat Face Hydraulic Plug x 1" Female NPT, FF Plus Series, Nickel-Plated Steel

    In stock

    Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF19P-16 is a nickel-plated steel 3/4" plug from th...

    View full details
    $ 70.69
    $ 70.69 - $ 70.69
    $ 70.69
    $ 56.59
    $ 56.59 - $ 56.59
    $ 56.59
    Save 20% Save %
  • Foster FHS4M4B-103, 1/2" Snap-Tite H Interchange Coupler x 1/2" Male NPT, FH Series, EPDM Seal, Brass
    Save 20% Save %
    $ 800.49
    $ 800.49 - $ 800.49
    $ 800.49
    $ 640.39
    $ 640.39 - $ 640.39
    $ 640.39

    Foster FF19P-16SS, 3/4" Flat Face Hydraulic Plug x 1" Female NPT, FF Plus Series, 316 Stainless Steel

    In stock

    Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF19P-16SS is a 316 stainless steel 3/4" plug from ...

    View full details
    $ 800.49
    $ 800.49 - $ 800.49
    $ 800.49
    $ 640.39
    $ 640.39 - $ 640.39
    $ 640.39
    Save 20% Save %
  • Foster FHS4M4B-103, 1/2" Snap-Tite H Interchange Coupler x 1/2" Male NPT, FH Series, EPDM Seal, Brass
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    $ 164.99
    $ 164.99 - $ 164.99
    $ 164.99
    $ 131.99
    $ 131.99 - $ 131.99
    $ 131.99

    Foster FF19S-12, 3/4" Flat Face Hydraulic Coupler x 3/4" Female NPT, FF Plus Series, Nickel-Plated Steel

    In stock

    Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF19S-12 is a nickel-plated steel 3/4" coupler from...

    View full details
    $ 164.99
    $ 164.99 - $ 164.99
    $ 164.99
    $ 131.99
    $ 131.99 - $ 131.99
    $ 131.99
    Save 20% Save %