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Foster 5 Series Couplers

The Foster 5 Series is the 1/2" body industrial interchange, a high-flow air coupler size for shop and industrial systems. This collection includes 5 Series couplers and plugs in brass, steel, and stainless with NPT, hose barb, push-on, and reusable terminations. Filter by thread, material, and coupler or plug to match your line.

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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass Save 20% Save %
$ 932.00
$ 932.00 - $ 932.00
$ 932.00
$ 746.00
$ 746.00 - $ 746.00
$ 746.00

Foster SL5805H, 1/2" Industrial Coupler x 1/2" Hose ID, 5 Series, Automatic Sleeve Lock, Heat/Viton, Brass

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster SL5805H is a Brass 1/2" industrial coupler from the Foster 5 Ser...

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$ 932.00
$ 932.00 - $ 932.00
$ 932.00
$ 746.00
$ 746.00 - $ 746.00
$ 746.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass Save 20% Save %
$ 962.00
$ 962.00 - $ 962.00
$ 962.00
$ 770.00
$ 770.00 - $ 770.00
$ 770.00

Foster SL5905, 1/2" Industrial Coupler x 3/4" Hose ID, 5 Series, Automatic Sleeve Lock, Brass

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster SL5905 is a Brass 1/2" industrial coupler from the Foster 5 Seri...

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$ 962.00
$ 962.00 - $ 962.00
$ 962.00
$ 770.00
$ 770.00 - $ 770.00
$ 770.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass Save 20% Save %
$ 1,036.00
$ 1,036.00 - $ 1,036.00
$ 1,036.00
$ 829.00
$ 829.00 - $ 829.00
$ 829.00

Foster SLSD11-5, 1/2" Industrial Coupler x Reusable Hose Fitting, 3/8" ID x 3/4" OD, 5 Series, Automatic Sleeve Lock, Brass

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster SLSD11-5 is a Brass 1/2" industrial coupler from the Foster 5 Se...

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$ 1,036.00
$ 1,036.00 - $ 1,036.00
$ 1,036.00
$ 829.00
$ 829.00 - $ 829.00
$ 829.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass Save 20% Save %
$ 1,053.00
$ 1,053.00 - $ 1,053.00
$ 1,053.00
$ 843.00
$ 843.00 - $ 843.00
$ 843.00

Foster SLSD13-5, 1/2" Industrial Coupler x Reusable Hose Fitting, 3/8" ID x 13/16" OD, 5 Series, Automatic Sleeve Lock, Brass

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster SLSD13-5 is a Brass 1/2" industrial coupler from the Foster 5 Se...

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$ 1,053.00
$ 1,053.00 - $ 1,053.00
$ 1,053.00
$ 843.00
$ 843.00 - $ 843.00
$ 843.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 951.00
$ 951.00 - $ 951.00
$ 951.00
$ 761.00
$ 761.00 - $ 761.00
$ 761.00

Foster SLSD7-5, 1/2" Industrial Coupler x Reusable Hose Fitting, 3/8" ID x 5/8" OD, 5 Series, Automatic Sleeve Lock, Brass

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster SLSD7-5 is a Brass 1/2" industrial coupler from the Foster 5 Ser...

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$ 951.00
$ 951.00 - $ 951.00
$ 951.00
$ 761.00
$ 761.00 - $ 761.00
$ 761.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 1,017.00
$ 1,017.00 - $ 1,017.00
$ 1,017.00
$ 814.00
$ 814.00 - $ 814.00
$ 814.00

Foster SLSD9-5, 1/2" Industrial Coupler x Reusable Hose Fitting, 3/8" ID x 11/16" OD, 5 Series, Automatic Sleeve Lock, Brass

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster SLSD9-5 is a Brass 1/2" industrial coupler from the Foster 5 Ser...

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$ 1,017.00
$ 1,017.00 - $ 1,017.00
$ 1,017.00
$ 814.00
$ 814.00 - $ 814.00
$ 814.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 1,266.00
$ 1,266.00 - $ 1,266.00
$ 1,266.00
$ 1,013.00
$ 1,013.00 - $ 1,013.00
$ 1,013.00

Foster SLSP13-5, 1/2" Industrial Coupler x Reusable Hose Fitting, 1/2" ID x 13/16" OD, 5 Series, Automatic Sleeve Lock, Brass

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster SLSP13-5 is a Brass 1/2" industrial coupler from the Foster 5 Se...

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$ 1,266.00
$ 1,266.00 - $ 1,266.00
$ 1,266.00
$ 1,013.00
$ 1,013.00 - $ 1,013.00
$ 1,013.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 1,294.00
$ 1,294.00 - $ 1,294.00
$ 1,294.00
$ 1,034.00
$ 1,034.00 - $ 1,034.00
$ 1,034.00

Foster SLSP15-5, 1/2" Industrial Coupler x Reusable Hose Fitting, 1/2" ID x 7/8" OD, 5 Series, Automatic Sleeve Lock, Brass

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster SLSP15-5 is a Brass 1/2" industrial coupler from the Foster 5 Se...

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$ 1,294.00
$ 1,294.00 - $ 1,294.00
$ 1,294.00
$ 1,034.00
$ 1,034.00 - $ 1,034.00
$ 1,034.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 1,338.00
$ 1,338.00 - $ 1,338.00
$ 1,338.00
$ 1,070.00
$ 1,070.00 - $ 1,070.00
$ 1,070.00

Foster SLSP17-5, 1/2" Industrial Coupler x Reusable Hose Fitting, 1/2" ID x 15/16" OD, 5 Series, Automatic Sleeve Lock, Brass

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster SLSP17-5 is a Brass 1/2" industrial coupler from the Foster 5 Se...

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$ 1,338.00
$ 1,338.00 - $ 1,338.00
$ 1,338.00
$ 1,070.00
$ 1,070.00 - $ 1,070.00
$ 1,070.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 1,381.00
$ 1,381.00 - $ 1,381.00
$ 1,381.00
$ 1,106.00
$ 1,106.00 - $ 1,106.00
$ 1,106.00

Foster SLSP19-5, 1/2" Industrial Coupler x Reusable Hose Fitting, 1/2" ID x 1" OD, 5 Series, Automatic Sleeve Lock, Brass

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster SLSP19-5 is a Brass 1/2" industrial coupler from the Foster 5 Se...

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$ 1,381.00
$ 1,381.00 - $ 1,381.00
$ 1,381.00
$ 1,106.00
$ 1,106.00 - $ 1,106.00
$ 1,106.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 911.00
$ 911.00 - $ 911.00
$ 911.00
$ 729.00
$ 729.00 - $ 729.00
$ 729.00

Foster SP13-5, 1/2" Industrial Coupler x Reusable Hose Fitting, 1/2" ID x 13/16" OD, 5 Series, Brass/Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster SP13-5 is a Brass/Steel 1/2" industrial coupler from the Foster ...

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$ 911.00
$ 911.00 - $ 911.00
$ 911.00
$ 729.00
$ 729.00 - $ 729.00
$ 729.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 966.00
$ 966.00 - $ 966.00
$ 966.00
$ 774.00
$ 774.00 - $ 774.00
$ 774.00

Foster SP13-5W, 1/2" Industrial Coupler x Reusable Hose Fitting, 1/2" ID x 13/16" OD, 5 Series, Water, Brass/Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster SP13-5W is a Brass/Steel 1/2" industrial coupler from the Foster...

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$ 966.00
$ 966.00 - $ 966.00
$ 966.00
$ 774.00
$ 774.00 - $ 774.00
$ 774.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 920.00
$ 920.00 - $ 920.00
$ 920.00
$ 736.00
$ 736.00 - $ 736.00
$ 736.00

Foster SP15-5, 1/2" Industrial Coupler x Reusable Hose Fitting, 1/2" ID x 7/8" OD, 5 Series, Brass/Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster SP15-5 is a Brass/Steel 1/2" industrial coupler from the Foster ...

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$ 920.00
$ 920.00 - $ 920.00
$ 920.00
$ 736.00
$ 736.00 - $ 736.00
$ 736.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 996.00
$ 996.00 - $ 996.00
$ 996.00
$ 797.00
$ 797.00 - $ 797.00
$ 797.00

Foster SP17-5, 1/2" Industrial Coupler x Reusable Hose Fitting, 1/2" ID x 15/16" OD, 5 Series, Brass/Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster SP17-5 is a Brass/Steel 1/2" industrial coupler from the Foster ...

View full details
$ 996.00
$ 996.00 - $ 996.00
$ 996.00
$ 797.00
$ 797.00 - $ 797.00
$ 797.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 1,038.00
$ 1,038.00 - $ 1,038.00
$ 1,038.00
$ 831.00
$ 831.00 - $ 831.00
$ 831.00

Foster SP19-5, 1/2" Industrial Coupler x Reusable Hose Fitting, 1/2" ID x 1" OD, 5 Series, Brass/Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster SP19-5 is a Brass/Steel 1/2" industrial coupler from the Foster ...

View full details
$ 1,038.00
$ 1,038.00 - $ 1,038.00
$ 1,038.00
$ 831.00
$ 831.00 - $ 831.00
$ 831.00
Save 20% Save %

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