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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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€5,95 - €5,95
€5,95
€5,95 - €5,95
€5,95

Foster 55-5, 5 Series, Industrial Plug, 1/2" Female NPT, Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 55-5 is a Steel 1/2" industrial plug from the Foster 5 Series — ...

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€5,95 - €5,95
€5,95
€5,95 - €5,95
€5,95
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
€12,95 - €12,95
€12,95
€12,95 - €12,95
€12,95

Foster 55-5S/S, 1/2" Industrial Plug x 1/2" Female NPT, 5 Series, 303 Stainless

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 55-5S/S is a 303 Stainless 1/2" industrial plug from the Foster ...

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€12,95 - €12,95
€12,95
€12,95 - €12,95
€12,95
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
€22,95 - €22,95
€22,95
€22,95 - €22,95
€22,95

Foster 5505, 1/2" Industrial Coupler x 3/4" Male NPT, 5 Series, Brass/Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 5505 is a Brass/Steel 1/2" industrial coupler from the Foster 5 ...

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€22,95 - €22,95
€22,95
€22,95 - €22,95
€22,95
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
€10,95 - €10,95
€10,95
€10,95 - €10,95
€10,95

Foster 56-5, 1/2" Industrial Plug x 3/4" Male NPT, 5 Series, Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 56-5 is a Steel 1/2" industrial plug from the Foster 5 Series — ...

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€10,95 - €10,95
€10,95
€10,95 - €10,95
€10,95
€10,95 - €10,95
€10,95
€10,95 - €10,95
€10,95

Foster 56-5, 5 Series, Industrial Plug, 3/4" Male NPT, Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 56-5 is a Steel 1/2" industrial plug from the Foster 5 Series — ...

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€10,95 - €10,95
€10,95
€10,95 - €10,95
€10,95
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
€16,95 - €16,95
€16,95
€16,95 - €16,95
€16,95

Foster 56-5S/S, 1/2" Industrial Plug x 3/4" Male NPT, 5 Series, 303 Stainless

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 56-5S/S is a 303 Stainless 1/2" industrial plug from the Foster ...

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€16,95 - €16,95
€16,95
€16,95 - €16,95
€16,95
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
€24,95 - €24,95
€24,95
€24,95 - €24,95
€24,95

Foster 5605, 1/2" Industrial Coupler x 1/4" Hose ID, 5 Series, Brass/Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 5605 is a Brass/Steel 1/2" industrial coupler from the Foster 5 ...

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€24,95 - €24,95
€24,95
€24,95 - €24,95
€24,95
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
€10,95 - €10,95
€10,95
€10,95 - €10,95
€10,95

Foster 57-5, 1/2" Industrial Plug x 3/4" Female NPT, 5 Series, Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 57-5 is a Steel 1/2" industrial plug from the Foster 5 Series — ...

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€10,95 - €10,95
€10,95
€10,95 - €10,95
€10,95
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
€24,95 - €24,95
€24,95
€24,95 - €24,95
€24,95

Foster 5705, 1/2" Industrial Coupler x 3/8" Hose ID, 5 Series, Brass/Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 5705 is a Brass/Steel 1/2" industrial coupler from the Foster 5 ...

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€24,95 - €24,95
€24,95
€24,95 - €24,95
€24,95
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
€26,95 - €26,95
€26,95
€26,95 - €26,95
€26,95

Foster 5705H, 1/2" Industrial Coupler x 3/8" Hose ID, 5 Series, Heat/Viton, Brass/Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 5705H is a Brass/Steel 1/2" industrial coupler from the Foster 5...

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€26,95 - €26,95
€26,95
€26,95 - €26,95
€26,95
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
€24,95 - €24,95
€24,95
€24,95 - €24,95
€24,95

Foster 5805, 1/2" Industrial Coupler x 1/2" Hose ID, 5 Series, Brass/Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 5805 is a Brass/Steel 1/2" industrial coupler from the Foster 5 ...

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€24,95 - €24,95
€24,95
€24,95 - €24,95
€24,95
€24,95 - €24,95
€24,95
€24,95 - €24,95
€24,95

Foster 5805, 5 Series, Industrial Coupler, Automatic, 1/2" Hose Barb, Brass, Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 5805 is a Brass/Steel 1/2" industrial coupler from the Foster 5 ...

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€24,95 - €24,95
€24,95
€24,95 - €24,95
€24,95
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
€25,95 - €25,95
€25,95
€25,95 - €25,95
€25,95

Foster 5805H, 1/2" Industrial Coupler x 1/2" Hose ID, 5 Series, Heat/Viton, Brass/Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 5805H is a Brass/Steel 1/2" industrial coupler from the Foster 5...

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€25,95 - €25,95
€25,95
€25,95 - €25,95
€25,95
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
€29,95 - €29,95
€29,95
€29,95 - €29,95
€29,95

Foster 5805HW, 1/2" Industrial Coupler x 1/2" Hose ID, 5 Series, Hot Water/Viton, Brass/SS

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 5805HW is a Brass/SS 1/2" industrial coupler from the Foster 5 S...

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€29,95 - €29,95
€29,95
€29,95 - €29,95
€29,95
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
€28,95 - €28,95
€28,95
€28,95 - €28,95
€28,95

Foster 5805W, 1/2" Industrial Coupler x 1/2" Hose ID, 5 Series, Water, Brass/SS

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 5805W is a Brass/SS 1/2" industrial coupler from the Foster 5 Se...

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€28,95 - €28,95
€28,95
€28,95 - €28,95
€28,95
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
€7,95 - €7,95
€7,95
€7,95 - €7,95
€7,95

Foster 59-5, 1/2" Industrial Plug x 3/8" Hose ID, 5 Series, Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 59-5 is a Steel 1/2" industrial plug from the Foster 5 Series — ...

View full details
€7,95 - €7,95
€7,95
€7,95 - €7,95
€7,95
€7,95 - €7,95
€7,95
€7,95 - €7,95
€7,95

Foster 59-5, 5 Series, Industrial Plug, 3/8" Hose Barb, Brass

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 59-5 is a Steel 1/2" industrial plug from the Foster 5 Series — ...

View full details
€7,95 - €7,95
€7,95
€7,95 - €7,95
€7,95
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
€11,95 - €11,95
€11,95
€11,95 - €11,95
€11,95

Foster 59-5B, 1/2" Industrial Plug x 3/8" Hose ID, 5 Series, Brass

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 59-5B is a Brass 1/2" industrial plug from the Foster 5 Series —...

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€11,95 - €11,95
€11,95
€11,95 - €11,95
€11,95
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
€24,95 - €24,95
€24,95
€24,95 - €24,95
€24,95

Foster 5905, 1/2" Industrial Coupler x 3/4" Hose ID, 5 Series, Brass/Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 5905 is a Brass/Steel 1/2" industrial coupler from the Foster 5 ...

View full details
€24,95 - €24,95
€24,95
€24,95 - €24,95
€24,95
€24,95 - €24,95
€24,95
€24,95 - €24,95
€24,95

Foster 5905, 5 Series, Industrial Coupler, Automatic, 3/4" Hose Barb, Brass, Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 5905 is a Brass/Steel 1/2" industrial coupler from the Foster 5 ...

View full details
€24,95 - €24,95
€24,95
€24,95 - €24,95
€24,95
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
€28,95 - €28,95
€28,95
€28,95 - €28,95
€28,95

Foster 5905W, 1/2" Industrial Coupler x 3/4" Hose ID, 5 Series, Water, Brass/SS

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 5905W is a Brass/SS 1/2" industrial coupler from the Foster 5 Se...

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€28,95 - €28,95
€28,95
€28,95 - €28,95
€28,95
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
€5,95 - €5,95
€5,95
€5,95 - €5,95
€5,95

Foster 60-5, 1/2" Industrial Plug x 1/2" Hose ID, 5 Series, Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 60-5 is a Steel 1/2" industrial plug from the Foster 5 Series — ...

View full details
€5,95 - €5,95
€5,95
€5,95 - €5,95
€5,95
€5,95 - €5,95
€5,95
€5,95 - €5,95
€5,95

Foster 60-5, 5 Series, Industrial Plug, 1/2" Hose Barb, Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 60-5 is a Steel 1/2" industrial plug from the Foster 5 Series — ...

View full details
€5,95 - €5,95
€5,95
€5,95 - €5,95
€5,95
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
€8,95 - €8,95
€8,95
€8,95 - €8,95
€8,95

Foster 60-5B, 1/2" Industrial Plug x 1/2" Hose ID, 5 Series, Brass

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 60-5B is a Brass 1/2" industrial plug from the Foster 5 Series —...

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€8,95 - €8,95
€8,95
€8,95 - €8,95
€8,95

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