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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 %
$ 846.00
$ 846.00 - $ 846.00
$ 846.00
$ 677.00
$ 677.00 - $ 677.00
$ 677.00

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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$ 846.00
$ 846.00 - $ 846.00
$ 846.00
$ 677.00
$ 677.00 - $ 677.00
$ 677.00
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 %
$ 873.00
$ 873.00 - $ 873.00
$ 873.00
$ 699.00
$ 699.00 - $ 699.00
$ 699.00

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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$ 873.00
$ 873.00 - $ 873.00
$ 873.00
$ 699.00
$ 699.00 - $ 699.00
$ 699.00
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 %
$ 941.00
$ 941.00 - $ 941.00
$ 941.00
$ 753.00
$ 753.00 - $ 753.00
$ 753.00

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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$ 941.00
$ 941.00 - $ 941.00
$ 941.00
$ 753.00
$ 753.00 - $ 753.00
$ 753.00
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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 %
$ 956.00
$ 956.00 - $ 956.00
$ 956.00
$ 765.00
$ 765.00 - $ 765.00
$ 765.00

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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$ 956.00
$ 956.00 - $ 956.00
$ 956.00
$ 765.00
$ 765.00 - $ 765.00
$ 765.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 863.00
$ 863.00 - $ 863.00
$ 863.00
$ 691.00
$ 691.00 - $ 691.00
$ 691.00

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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$ 863.00
$ 863.00 - $ 863.00
$ 863.00
$ 691.00
$ 691.00 - $ 691.00
$ 691.00
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 923.00
$ 923.00 - $ 923.00
$ 923.00
$ 739.00
$ 739.00 - $ 739.00
$ 739.00

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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$ 923.00
$ 923.00 - $ 923.00
$ 923.00
$ 739.00
$ 739.00 - $ 739.00
$ 739.00
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 1,149.00
$ 1,149.00 - $ 1,149.00
$ 1,149.00
$ 920.00
$ 920.00 - $ 920.00
$ 920.00

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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$ 1,149.00
$ 1,149.00 - $ 1,149.00
$ 1,149.00
$ 920.00
$ 920.00 - $ 920.00
$ 920.00
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 1,175.00
$ 1,175.00 - $ 1,175.00
$ 1,175.00
$ 939.00
$ 939.00 - $ 939.00
$ 939.00

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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$ 1,175.00
$ 1,175.00 - $ 1,175.00
$ 1,175.00
$ 939.00
$ 939.00 - $ 939.00
$ 939.00
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 %
$ 1,214.00
$ 1,214.00 - $ 1,214.00
$ 1,214.00
$ 972.00
$ 972.00 - $ 972.00
$ 972.00

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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$ 1,214.00
$ 1,214.00 - $ 1,214.00
$ 1,214.00
$ 972.00
$ 972.00 - $ 972.00
$ 972.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 1,254.00
$ 1,254.00 - $ 1,254.00
$ 1,254.00
$ 1,004.00
$ 1,004.00 - $ 1,004.00
$ 1,004.00

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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$ 1,254.00
$ 1,254.00 - $ 1,254.00
$ 1,254.00
$ 1,004.00
$ 1,004.00 - $ 1,004.00
$ 1,004.00
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 %
$ 827.00
$ 827.00 - $ 827.00
$ 827.00
$ 662.00
$ 662.00 - $ 662.00
$ 662.00

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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$ 827.00
$ 827.00 - $ 827.00
$ 827.00
$ 662.00
$ 662.00 - $ 662.00
$ 662.00
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 %
$ 877.00
$ 877.00 - $ 877.00
$ 877.00
$ 703.00
$ 703.00 - $ 703.00
$ 703.00

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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$ 877.00
$ 877.00 - $ 877.00
$ 877.00
$ 703.00
$ 703.00 - $ 703.00
$ 703.00
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 %
$ 836.00
$ 836.00 - $ 836.00
$ 836.00
$ 668.00
$ 668.00 - $ 668.00
$ 668.00

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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$ 836.00
$ 836.00 - $ 836.00
$ 836.00
$ 668.00
$ 668.00 - $ 668.00
$ 668.00
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 %
$ 904.00
$ 904.00 - $ 904.00
$ 904.00
$ 724.00
$ 724.00 - $ 724.00
$ 724.00

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 ...

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$ 904.00
$ 904.00 - $ 904.00
$ 904.00
$ 724.00
$ 724.00 - $ 724.00
$ 724.00
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 %
$ 942.00
$ 942.00 - $ 942.00
$ 942.00
$ 755.00
$ 755.00 - $ 755.00
$ 755.00

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
$ 942.00
$ 942.00 - $ 942.00
$ 942.00
$ 755.00
$ 755.00 - $ 755.00
$ 755.00
Save 20% Save %

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