Skip to content
🍁 Fall Savings Are Here – Get Up to 30% Off Select Fittings & Hose!
🍁 Fall Savings Are Here – Get Up to 30% Off Select Fittings & Hose!

ZSI Foster - 5 Series, 1/2" Body Industrial Interchange Pneumatic Couplers and Plugs

ZSI Foster's "5 Series" pneumatic fittings are the perfect solution for your industrial and manufacturing needs, including construction and repair shops. Made of durable brass or steel, these fittings are designed to connect flexible tubing such as polyurethane and nylon in various sizes. The quick-connect design allows for easy attachment and detachment from your pneumatic system, while their 1/2" industrial interchange compatibility means they can be used with fittings from other manufacturers. With their reliability and versatility, the "5 Series" fittings are a top choice for a wide range of pneumatic applications in construction and repair shops. Trust ZSI Foster to deliver high-quality fittings that get the job done right.
  • Save 30% Save %
    $ 5.59
    $ 5.59 - $ 5.59
    $ 5.59
    $ 3.91
    $ 3.91 - $ 3.91
    $ 3.91

    Foster 50-5, 5 Series, Industrial Plug, 1/4" Male NPT, Steel

    In stock

    Series: 5 Part Number: 50-5 Interchange: Industrial Body: 1/2" Plug Thread: 1/4" Male NPT, MPT Material: Heavy-Duty Steel Rated Pressure:...

    View full details
    $ 5.59
    $ 5.59 - $ 5.59
    $ 5.59
    $ 3.91
    $ 3.91 - $ 3.91
    $ 3.91
    Save 30% Save %
  • Save 30% Save %
    $ 27.49
    $ 27.49 - $ 27.49
    $ 27.49
    $ 19.24
    $ 19.24 - $ 19.24
    $ 19.24

    Foster 5105, 5 Series, Industrial Coupler, Automatic, 3/8" Male NPT, Brass, Steel

    In stock

    Series: 5 Part Number: 5105 Interchange: Industrial Body: 1/2" Coupler, Automatic Thread: 3/8" Male NPT, MPT Material: Heavy-Duty Brass, S...

    View full details
    $ 27.49
    $ 27.49 - $ 27.49
    $ 27.49
    $ 19.24
    $ 19.24 - $ 19.24
    $ 19.24
    Save 30% Save %
  • Save 30% Save %
    $ 29.59
    $ 29.59 - $ 29.59
    $ 29.59
    $ 20.71
    $ 20.71 - $ 20.71
    $ 20.71

    Foster 4905, 5 Series, Industrial Coupler, Automatic, 1/4" Male NPT, Brass, Steel

    In stock

    Series: 5 Part Number: 4905 Interchange: Industrial Body: 1/2" Coupler, Automatic Thread: 1/4" Male NPT, MPT Material: Heavy-Duty Brass, S...

    View full details
    $ 29.59
    $ 29.59 - $ 29.59
    $ 29.59
    $ 20.71
    $ 20.71 - $ 20.71
    $ 20.71
    Save 30% Save %
  • Save 30% Save %
    $ 29.59
    $ 29.59 - $ 29.59
    $ 29.59
    $ 20.71
    $ 20.71 - $ 20.71
    $ 20.71

    Foster 4015, 5 Series, Industrial Coupler, Automatic, 1/2" Female NPT, Brass, Steel

    In stock

    Series: 5 Part Number: 4015 Interchange: Industrial Body: 1/2" Coupler, Automatic Thread: 1/4" Female NPT, FPT Material: Heavy-Duty Brass,...

    View full details
    $ 29.59
    $ 29.59 - $ 29.59
    $ 29.59
    $ 20.71
    $ 20.71 - $ 20.71
    $ 20.71
    Save 30% Save %