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Foster

Foster quick couplers set the standard in pneumatic and hydraulic connections. Part of the ZSI-Foster line, Foster couplers and plugs cover the full range of industrial interchanges and body sizes in steel, brass, and stainless construction. Built for reliable, repeatable connections in air and fluid systems. Shop the full Foster range below.

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$ 10.69
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$ 8.59
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$ 8.59

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 — ...

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$ 10.69
$ 10.69 - $ 10.69
$ 10.69
$ 8.59
$ 8.59 - $ 8.59
$ 8.59
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$ 15.89
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$ 15.89
$ 12.69
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$ 12.69

Foster 52-5B, 5 Series, Industrial Plug, 3/8" Male NPT, Brass

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 52-5B is a Brass 1/2" industrial plug from the Foster 5 Series —...

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$ 15.89
$ 15.89 - $ 15.89
$ 15.89
$ 12.69
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$ 12.69
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$ 31.69
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$ 31.69
$ 25.29
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$ 25.29

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

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 5105 is a Brass/Steel 1/2" industrial coupler from the Foster 5 ...

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$ 31.69
$ 31.69 - $ 31.69
$ 31.69
$ 25.29
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$ 25.29
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$ 27.99
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$ 27.99
$ 22.39
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$ 22.39

Foster 4504, 4 Series, Industrial Coupler, Manual, 1/2" Male NPT, Brass, Steel

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 4504 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series — a...

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$ 27.99
$ 27.99 - $ 27.99
$ 27.99
$ 22.39
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$ 22.39
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$ 29.69
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$ 29.69
$ 23.69
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$ 23.69

Foster 3703GB, 3 Series, Industrial Coupler, Automatic, 3/8" Hose Barb, Brass

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 3703GB is a Brass 1/4" industrial coupler from the Foster 3 Series — the m...

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$ 29.69
$ 29.69 - $ 29.69
$ 29.69
$ 23.69
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$ 23.69
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$ 26.69
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$ 26.69
$ 21.39
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$ 21.39

Foster 3103GB, 3 Series, Industrial Coupler, Automatic, 1/4" Male NPT, Brass

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 3103GB is a Brass 1/4" industrial coupler from the Foster 3 Series — the m...

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$ 26.69
$ 26.69 - $ 26.69
$ 26.69
$ 21.39
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$ 21.39
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$ 4.99
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$ 4.99
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$ 3.99

Foster 12-3B, 3 Series, Industrial Plug, 1/8" Male NPT, Brass

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 12-3B is a Brass 1/4" industrial plug from the Foster 3 Series — the most ...

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$ 4.99
$ 4.99 - $ 4.99
$ 4.99
$ 3.99
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$ 3.99
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$ 30.49
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$ 30.49
$ 24.39
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$ 24.39

Foster 5205, 5 Series, Industrial Coupler, Automatic, 1/2" Female NPT, Brass, Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 5205 is a Brass/Steel 1/2" industrial coupler from the Foster 5 ...

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$ 30.49
$ 30.49 - $ 30.49
$ 30.49
$ 24.39
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$ 24.39
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$ 12.79
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$ 12.79
$ 10.19
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$ 10.19

Foster 53-5, 5 Series, Industrial Plug, 3/8" Female NPT, Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 53-5 is a Steel 1/2" industrial plug from the Foster 5 Series — ...

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$ 12.79
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$ 12.79
$ 10.19
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$ 10.19
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$ 5.19
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$ 4.09

Foster 51-3, 3 Series, Industrial Plug, 1/4" Hose Barb (Push-On), Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 51-3 is a Steel 1/4" industrial plug from the Foster 3 Series — the most p...

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$ 5.19
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$ 5.19
$ 4.09
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$ 4.09
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$ 44.29
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$ 44.29
$ 35.39
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$ 35.39

Foster 3003S/S, 3 Series, Industrial Coupler, Manual, 1/4" Female NPT, Stainless Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 3003S/S is a 303 Stainless 1/4" industrial coupler from the Foster 3 Serie...

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$ 44.29
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$ 44.29
$ 35.39
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$ 35.39
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$ 42.19
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$ 42.19
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$ 33.69

Foster FM5005, 5 Series, Industrial Coupler, Automatic, 3/8" Female NPT, Brass

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster FM5005 is a Brass 1/2" industrial coupler from the Foster 5 Seri...

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$ 42.19
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$ 42.19
$ 33.69
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$ 33.69
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$ 27.99
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$ 22.39
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Foster 4404, 4 Series, Industrial Coupler, Manual, 1/2" Female NPT, Brass, Steel

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 4404 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series — a...

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$ 27.99
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$ 27.99
$ 22.39
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$ 22.39
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$ 14.19
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$ 14.19
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Foster LN11, LN Series, Lincoln Plug, 1/4" Female NPT, Steel

Series: LN Part Number: LN11 Interchange: Lincoln Body: 1/4" Plug Thread: 1/4" Female NPT, FPT Material: Heavy-Duty Steel Rated Pressure: ...

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$ 14.19
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$ 14.19
$ 11.29
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$ 11.29
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$ 32.39
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$ 32.39
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Foster FM4504, 4 Series, Industrial Coupler, Automatic, 1/2" Male NPT, Brass

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster FM4504 is a Brass 3/8" industrial coupler from the Foster 4 Series — a hig...

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$ 32.39
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$ 32.39
$ 25.89
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$ 25.89
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$ 2.99
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Foster TF10, TF Series, True-Flate, Automotive, Plug, 1/4" Male NPT, Steel

Series: TF3 Part Number: TF10 Interchange: True-Flate, Automotive Body: 1/4" Plug Thread: 1/4" Male NPT, MPT Material: Heavy-Duty Steel Ra...

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$ 2.99
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$ 2.99
$ 2.39
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$ 14.09
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Foster SG3303, 3 Series, Industrial Coupler, Manual, Sleeve Guard, 3/8" Male NPT, Brass

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster SG3303 is a Brass 1/4" industrial coupler from the Foster 3 Series — the m...

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$ 14.09
$ 14.09 - $ 14.09
$ 14.09
$ 11.19
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$ 11.19
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$ 13.89
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$ 13.89
$ 11.09
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Foster SG3203, 3 Series, Industrial Coupler, Manual, Sleeve Guard, 3/8" Female NPT, Brass

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster SG3203 is a Brass 1/4" industrial coupler from the Foster 3 Series — the m...

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$ 13.89
$ 13.89 - $ 13.89
$ 13.89
$ 11.09
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$ 11.09
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$ 16.19
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$ 16.19
$ 12.89
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Foster 210-3203, Aro 210 Series, Coupler, Automatic, 3/8" Female NPT, Brass, Steel

Series: 210 Part number: 210-3203 Interchange: Aro 210 Body: 1/4" Coupler, Automatic Thread: 3/8" Female NPT, FPT Material: Heavy-Duty Brass...

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$ 16.19
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$ 16.19
$ 12.89
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$ 12.89
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Foster 210-1513, Aro 210 Series Coupler, Automatic, 1/4" Push-On Hose Barb, Brass, Steel

Series: 210 Part number: 210-1513 Interchange: Aro 210 Body: 1/4" Coupler, Automatic Thread: 1/4" Push-On Hose Barb Material: Heavy-Duty Bra...

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$ 16.99
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$ 16.99
$ 13.59
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$ 0.00 - $ 0.00
$ 0.00
$ 6.15
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$ 6.15

Reusable Hose Barb - 1/4" Body Plug X 3/8" ID - 11/16" OD Air Fittings

Reusable Hose Barb - 1/4" Body Plug X 3/8" ID - 11/16" OD Air Fittings

$ 0.00 - $ 0.00
$ 0.00
$ 6.15
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$ 6.15
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$ 40.70
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$ 40.70
$ 29.32
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Foster 2BS/S - (Thread Only) Reusable Hose Barb - 1/4" NPT - 1/4" ID X 5/8" OD hose - Air Hose Fittings

Foster Brand1ea - 2B7S/S ( 1/4" Male NPT for 1/4"ID X 5/8"OD hose)

$ 40.70
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$ 40.70
$ 29.32
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$ 29.32
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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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Foster FSS316-5406-08-04, 1/2" Male Pipe x 1/4" Female Pipe, 316 Stainless

The Foster FSS316-5406-08-04 is a 316 stainless steel NPT Pipe fitting: 1/2" Male Pipe x 1/4" Female Pipe. Machined for leak-tight fluid-power conn...

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$ 16.59
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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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$ 27.69
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$ 27.69
$ 22.09
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$ 22.09

Foster FSS316-5405-04-06, 06 | 1/4" Male Pipe x 3/8" Female Pipe, 316 Stainless

The Foster FSS316-5405-04-06 is a 316 stainless steel NPT Pipe fitting: 06 | 1/4" Male Pipe x 3/8" Female Pipe. Machined for leak-tight fluid-power...

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$ 27.69
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$ 27.69
$ 22.09
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$ 22.09
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