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Foster 310 Series Couplers

Foster 310 Series pneumatic quick couplers and plugs, interchangeable with ARO 310 Series 3/8" body air fittings. Rated 300 PSI, one-way shut-off, with manual or automatic sockets. Brass/steel, 303 stainless, and nickel-plated options; steel plugs.

  • Foster FHS4M4B-103, 1/2" Snap-Tite H Interchange Coupler x 1/2" Male NPT, FH Series, EPDM Seal, Brass
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    $ 37.39
    $ 37.39 - $ 37.39
    $ 37.39
    $ 29.89
    $ 29.89 - $ 29.89
    $ 29.89

    Foster 310-SD9, 3/8" ARO Coupler x Reusable Hose Clamp Fitting, 310 Series, Automatic, Brass and Steel

    In stock

    Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310-SD9 is a brass and steel 3/8" coupler from th...

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    $ 37.39
    $ 37.39 - $ 37.39
    $ 37.39
    $ 29.89
    $ 29.89 - $ 29.89
    $ 29.89
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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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    $ 37.09
    $ 37.09 - $ 37.09
    $ 37.09
    $ 29.69
    $ 29.69 - $ 29.69
    $ 29.69

    Foster 310-SD7, 3/8" ARO Coupler x Reusable Hose Clamp Fitting, 310 Series, Automatic, Brass and Steel

    In stock

    Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310-SD7 is a brass and steel 3/8" coupler from th...

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    $ 37.09
    $ 37.09 - $ 37.09
    $ 37.09
    $ 29.69
    $ 29.69 - $ 29.69
    $ 29.69
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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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    $ 38.19
    $ 38.19 - $ 38.19
    $ 38.19
    $ 30.49
    $ 30.49 - $ 30.49
    $ 30.49

    Foster 310-SD13, 3/8" ARO Coupler x Reusable Hose Clamp Fitting, 310 Series, Automatic, Brass and Steel

    In stock

    Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310-SD13 is a brass and steel 3/8" coupler from t...

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    $ 38.19
    $ 38.19 - $ 38.19
    $ 38.19
    $ 30.49
    $ 30.49 - $ 30.49
    $ 30.49
    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 %
    $ 37.49
    $ 37.49 - $ 37.49
    $ 37.49
    $ 29.99
    $ 29.99 - $ 29.99
    $ 29.99

    Foster 310-SD11, 3/8" ARO Coupler x Reusable Hose Clamp Fitting, 310 Series, Automatic, Brass and Steel

    In stock

    Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310-SD11 is a brass and steel 3/8" coupler from t...

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    $ 37.49
    $ 37.49 - $ 37.49
    $ 37.49
    $ 29.99
    $ 29.99 - $ 29.99
    $ 29.99
    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 %
    $ 40.39
    $ 40.39 - $ 40.39
    $ 40.39
    $ 32.29
    $ 32.29 - $ 32.29
    $ 32.29

    Foster 310-SB7, 3/8" ARO Coupler x Reusable Hose Clamp Fitting, 310 Series, Automatic, Brass and Steel

    In stock

    Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310-SB7 is a brass and steel 3/8" coupler from th...

    View full details
    $ 40.39
    $ 40.39 - $ 40.39
    $ 40.39
    $ 32.29
    $ 32.29 - $ 32.29
    $ 32.29
    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 %
    $ 39.89
    $ 39.89 - $ 39.89
    $ 39.89
    $ 31.99
    $ 31.99 - $ 31.99
    $ 31.99

    Foster 310-SB5, 3/8" ARO Coupler x Reusable Hose Clamp Fitting, 310 Series, Automatic, Brass and Steel

    In stock

    Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310-SB5 is a brass and steel 3/8" coupler from th...

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    $ 39.89
    $ 39.89 - $ 39.89
    $ 39.89
    $ 31.99
    $ 31.99 - $ 31.99
    $ 31.99
    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 %
    $ 39.89
    $ 39.89 - $ 39.89
    $ 39.89
    $ 31.99
    $ 31.99 - $ 31.99
    $ 31.99

    Foster 310-SB3, 3/8" ARO Coupler x Reusable Hose Clamp Fitting, 310 Series, Automatic, Brass and Steel

    In stock

    Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310-SB3 is a brass and steel 3/8" coupler from th...

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    $ 39.89
    $ 39.89 - $ 39.89
    $ 39.89
    $ 31.99
    $ 31.99 - $ 31.99
    $ 31.99
    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 %
    $ 45.39
    $ 45.39 - $ 45.39
    $ 45.39
    $ 36.29
    $ 36.29 - $ 36.29
    $ 36.29

    Foster 310M-4904, 3/8" ARO Coupler x 1/2" Hose ID, 310 Series, Manual, Brass and Steel

    In stock

    Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310M-4904 is a brass and steel 3/8" coupler from ...

    View full details
    $ 45.39
    $ 45.39 - $ 45.39
    $ 45.39
    $ 36.29
    $ 36.29 - $ 36.29
    $ 36.29
    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 %
    $ 44.99
    $ 44.99 - $ 44.99
    $ 44.99
    $ 35.99
    $ 35.99 - $ 35.99
    $ 35.99

    Foster 310M-4804NP, 3/8" ARO Coupler x 3/8" Hose ID, 310 Series, Manual, Nickel-Plated Brass/Steel

    In stock

    Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310M-4804NP is a nickel-plated brass/steel 3/8" c...

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    $ 44.99
    $ 44.99 - $ 44.99
    $ 44.99
    $ 35.99
    $ 35.99 - $ 35.99
    $ 35.99
    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 %
    $ 32.29
    $ 32.29 - $ 32.29
    $ 32.29
    $ 25.89
    $ 25.89 - $ 25.89
    $ 25.89

    Foster 310M-4804, 3/8" ARO Coupler x 3/8" Hose ID, 310 Series, Manual, Brass and Steel

    In stock

    Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310M-4804 is a brass and steel 3/8" coupler from ...

    View full details
    $ 32.29
    $ 32.29 - $ 32.29
    $ 32.29
    $ 25.89
    $ 25.89 - $ 25.89
    $ 25.89
    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 %
    $ 38.99
    $ 38.99 - $ 38.99
    $ 38.99
    $ 31.19
    $ 31.19 - $ 31.19
    $ 31.19

    Foster 310M-4704, 3/8" ARO Coupler x 5/16" Hose ID, 310 Series, Manual, Brass and Steel

    In stock

    Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310M-4704 is a brass and steel 3/8" coupler from ...

    View full details
    $ 38.99
    $ 38.99 - $ 38.99
    $ 38.99
    $ 31.19
    $ 31.19 - $ 31.19
    $ 31.19
    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 %
    $ 40.39
    $ 40.39 - $ 40.39
    $ 40.39
    $ 32.29
    $ 32.29 - $ 32.29
    $ 32.29

    Foster 310M-4504, 3/8" ARO Coupler x 1/2" Male NPT, 310 Series, Manual, Brass and Steel

    In stock

    Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310M-4504 is a brass and steel 3/8" coupler from ...

    View full details
    $ 40.39
    $ 40.39 - $ 40.39
    $ 40.39
    $ 32.29
    $ 32.29 - $ 32.29
    $ 32.29
    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 %
    $ 41.79
    $ 41.79 - $ 41.79
    $ 41.79
    $ 33.39
    $ 33.39 - $ 33.39
    $ 33.39

    Foster 310M-4404, 3/8" ARO Coupler x 1/2" Female NPT, 310 Series, Manual, Brass and Steel

    In stock

    Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310M-4404 is a brass and steel 3/8" coupler from ...

    View full details
    $ 41.79
    $ 41.79 - $ 41.79
    $ 41.79
    $ 33.39
    $ 33.39 - $ 33.39
    $ 33.39
    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 %
    $ 48.99
    $ 48.99 - $ 48.99
    $ 48.99
    $ 39.19
    $ 39.19 - $ 39.19
    $ 39.19

    Foster 310M-4304NP, 3/8" ARO Coupler x 3/8" Male NPT, 310 Series, Manual, Nickel-Plated Brass/Steel

    In stock

    Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310M-4304NP is a nickel-plated brass/steel 3/8" c...

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    $ 48.99
    $ 48.99 - $ 48.99
    $ 48.99
    $ 39.19
    $ 39.19 - $ 39.19
    $ 39.19
    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 %
    $ 32.29
    $ 32.29 - $ 32.29
    $ 32.29
    $ 25.79
    $ 25.79 - $ 25.79
    $ 25.79

    Foster 310M-4304, 3/8" ARO Coupler x 3/8" Male NPT, 310 Series, Manual, Brass and Steel

    In stock

    Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310M-4304 is a brass and steel 3/8" coupler from ...

    View full details
    $ 32.29
    $ 32.29 - $ 32.29
    $ 32.29
    $ 25.79
    $ 25.79 - $ 25.79
    $ 25.79
    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 %
    $ 41.79
    $ 41.79 - $ 41.79
    $ 41.79
    $ 33.39
    $ 33.39 - $ 33.39
    $ 33.39

    Foster 310M-4204NP, 3/8" ARO Coupler x 3/8" Female NPT, 310 Series, Manual, Nickel-Plated Brass/Steel

    In stock

    Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310M-4204NP is a nickel-plated brass/steel 3/8" c...

    View full details
    $ 41.79
    $ 41.79 - $ 41.79
    $ 41.79
    $ 33.39
    $ 33.39 - $ 33.39
    $ 33.39
    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 %
    $ 39.49
    $ 39.49 - $ 39.49
    $ 39.49
    $ 31.59
    $ 31.59 - $ 31.59
    $ 31.59

    Foster 310M-4204, 3/8" ARO Coupler x 3/8" Female NPT, 310 Series, Manual, Brass and Steel

    In stock

    Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310M-4204 is a brass and steel 3/8" coupler from ...

    View full details
    $ 39.49
    $ 39.49 - $ 39.49
    $ 39.49
    $ 31.59
    $ 31.59 - $ 31.59
    $ 31.59
    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 %
    $ 42.19
    $ 42.19 - $ 42.19
    $ 42.19
    $ 33.69
    $ 33.69 - $ 33.69
    $ 33.69

    Foster 310M-4104, 3/8" ARO Coupler x 1/4" Male NPT, 310 Series, Manual, Brass and Steel

    In stock

    Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310M-4104 is a brass and steel 3/8" coupler from ...

    View full details
    $ 42.19
    $ 42.19 - $ 42.19
    $ 42.19
    $ 33.69
    $ 33.69 - $ 33.69
    $ 33.69
    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 %
    $ 40.59
    $ 40.59 - $ 40.59
    $ 40.59
    $ 32.49
    $ 32.49 - $ 32.49
    $ 32.49

    Foster 310M-4004, 3/8" ARO Coupler x 1/4" Female NPT, 310 Series, Manual, Brass and Steel

    In stock

    Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310M-4004 is a brass and steel 3/8" coupler from ...

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    $ 40.59
    $ 40.59 - $ 40.59
    $ 40.59
    $ 32.49
    $ 32.49 - $ 32.49
    $ 32.49
    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 %
    $ 33.39
    $ 33.39 - $ 33.39
    $ 33.39
    $ 26.69
    $ 26.69 - $ 26.69
    $ 26.69

    Foster 310-4904, 3/8" ARO Coupler x 1/2" Hose ID, 310 Series, Automatic, Brass and Steel

    In stock

    Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310-4904 is a brass and steel 3/8" coupler from t...

    View full details
    $ 33.39
    $ 33.39 - $ 33.39
    $ 33.39
    $ 26.69
    $ 26.69 - $ 26.69
    $ 26.69
    Save 20% Save %
  • Foster FHS4M4B-103, 1/2" Snap-Tite H Interchange Coupler x 1/2" Male NPT, FH Series, EPDM Seal, Brass
    Save 19% Save %
    $ 7.79
    $ 7.79 - $ 7.79
    $ 7.79
    $ 6.29
    $ 6.29 - $ 6.29
    $ 6.29

    Foster 310-49, 3/8" ARO Plug x 1/2" Hose ID, 310 Series, Steel

    In stock

    Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310-49 is a steel 3/8" plug from the Foster 310 S...

    View full details
    $ 7.79
    $ 7.79 - $ 7.79
    $ 7.79
    $ 6.29
    $ 6.29 - $ 6.29
    $ 6.29
    Save 19% Save %
  • Foster FHS4M4B-103, 1/2" Snap-Tite H Interchange Coupler x 1/2" Male NPT, FH Series, EPDM Seal, Brass
    Save 20% Save %
    $ 32.79
    $ 32.79 - $ 32.79
    $ 32.79
    $ 26.29
    $ 26.29 - $ 26.29
    $ 26.29

    Foster 310-4804, 3/8" ARO Coupler x 3/8" Hose ID, 310 Series, Automatic, Brass and Steel

    In stock

    Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310-4804 is a brass and steel 3/8" coupler from t...

    View full details
    $ 32.79
    $ 32.79 - $ 32.79
    $ 32.79
    $ 26.29
    $ 26.29 - $ 26.29
    $ 26.29
    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 %
    $ 8.89
    $ 8.89 - $ 8.89
    $ 8.89
    $ 7.09
    $ 7.09 - $ 7.09
    $ 7.09

    Foster 310-48, 3/8" ARO Plug x 3/8" Hose ID, 310 Series, Steel

    In stock

    Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310-48 is a steel 3/8" plug from the Foster 310 S...

    View full details
    $ 8.89
    $ 8.89 - $ 8.89
    $ 8.89
    $ 7.09
    $ 7.09 - $ 7.09
    $ 7.09
    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 %
    $ 33.69
    $ 33.69 - $ 33.69
    $ 33.69
    $ 26.99
    $ 26.99 - $ 26.99
    $ 26.99

    Foster 310-4704, 3/8" ARO Coupler x 5/16" Hose ID, 310 Series, Automatic, Brass and Steel

    In stock

    Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310-4704 is a brass and steel 3/8" coupler from t...

    View full details
    $ 33.69
    $ 33.69 - $ 33.69
    $ 33.69
    $ 26.99
    $ 26.99 - $ 26.99
    $ 26.99
    Save 20% Save %