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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 %
$ 869.00
$ 869.00 - $ 869.00
$ 869.00
$ 696.00
$ 696.00 - $ 696.00
$ 696.00

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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$ 869.00
$ 869.00 - $ 869.00
$ 869.00
$ 696.00
$ 696.00 - $ 696.00
$ 696.00
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 %
$ 897.00
$ 897.00 - $ 897.00
$ 897.00
$ 719.00
$ 719.00 - $ 719.00
$ 719.00

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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$ 897.00
$ 897.00 - $ 897.00
$ 897.00
$ 719.00
$ 719.00 - $ 719.00
$ 719.00
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 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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$ 966.00
$ 966.00 - $ 966.00
$ 966.00
$ 774.00
$ 774.00 - $ 774.00
$ 774.00
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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 %
$ 982.00
$ 982.00 - $ 982.00
$ 982.00
$ 786.00
$ 786.00 - $ 786.00
$ 786.00

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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$ 982.00
$ 982.00 - $ 982.00
$ 982.00
$ 786.00
$ 786.00 - $ 786.00
$ 786.00
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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$ 887.00
$ 887.00 - $ 887.00
$ 887.00
$ 710.00
$ 710.00 - $ 710.00
$ 710.00

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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$ 887.00
$ 887.00 - $ 887.00
$ 887.00
$ 710.00
$ 710.00 - $ 710.00
$ 710.00
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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$ 949.00
$ 949.00 - $ 949.00
$ 949.00
$ 759.00
$ 759.00 - $ 759.00
$ 759.00

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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$ 949.00
$ 949.00 - $ 949.00
$ 949.00
$ 759.00
$ 759.00 - $ 759.00
$ 759.00
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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$ 1,181.00
$ 1,181.00 - $ 1,181.00
$ 1,181.00
$ 945.00
$ 945.00 - $ 945.00
$ 945.00

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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$ 1,181.00
$ 1,181.00 - $ 1,181.00
$ 1,181.00
$ 945.00
$ 945.00 - $ 945.00
$ 945.00
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 %
$ 1,207.00
$ 1,207.00 - $ 1,207.00
$ 1,207.00
$ 965.00
$ 965.00 - $ 965.00
$ 965.00

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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$ 1,207.00
$ 1,207.00 - $ 1,207.00
$ 1,207.00
$ 965.00
$ 965.00 - $ 965.00
$ 965.00
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 %
$ 1,248.00
$ 1,248.00 - $ 1,248.00
$ 1,248.00
$ 998.00
$ 998.00 - $ 998.00
$ 998.00

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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$ 1,248.00
$ 1,248.00 - $ 1,248.00
$ 1,248.00
$ 998.00
$ 998.00 - $ 998.00
$ 998.00
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 %
$ 1,288.00
$ 1,288.00 - $ 1,288.00
$ 1,288.00
$ 1,032.00
$ 1,032.00 - $ 1,032.00
$ 1,032.00

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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$ 1,288.00
$ 1,288.00 - $ 1,288.00
$ 1,288.00
$ 1,032.00
$ 1,032.00 - $ 1,032.00
$ 1,032.00
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 %
$ 850.00
$ 850.00 - $ 850.00
$ 850.00
$ 680.00
$ 680.00 - $ 680.00
$ 680.00

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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$ 850.00
$ 850.00 - $ 850.00
$ 850.00
$ 680.00
$ 680.00 - $ 680.00
$ 680.00
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 %
$ 901.00
$ 901.00 - $ 901.00
$ 901.00
$ 722.00
$ 722.00 - $ 722.00
$ 722.00

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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$ 901.00
$ 901.00 - $ 901.00
$ 901.00
$ 722.00
$ 722.00 - $ 722.00
$ 722.00
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 %
$ 859.00
$ 859.00 - $ 859.00
$ 859.00
$ 687.00
$ 687.00 - $ 687.00
$ 687.00

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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$ 859.00
$ 859.00 - $ 859.00
$ 859.00
$ 687.00
$ 687.00 - $ 687.00
$ 687.00
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 %
$ 929.00
$ 929.00 - $ 929.00
$ 929.00
$ 743.00
$ 743.00 - $ 743.00
$ 743.00

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
$ 929.00
$ 929.00 - $ 929.00
$ 929.00
$ 743.00
$ 743.00 - $ 743.00
$ 743.00
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 %
$ 968.00
$ 968.00 - $ 968.00
$ 968.00
$ 775.00
$ 775.00 - $ 775.00
$ 775.00

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
$ 968.00
$ 968.00 - $ 968.00
$ 968.00
$ 775.00
$ 775.00 - $ 775.00
$ 775.00
Save 20% Save %

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