Hydraulic Caps, Plugs & Clamps
Cut grit, leaks and cleanup when lines are uncoupled or serviced. Kimball Midwest's stock of caps, plugs and universal service plugs keep coupler faces and hoses sealed against dirt, nicks and moisture so fittings last longer and stay ready to connect. Add a break-away clamp to mount 1/2" couplers for one-hand hookups and safer disconnects. Choose series-specific caps and plugs for a tight fit.
42 results
Universal Service Plugs
Universal service plugs made of durable rubber for sealing hydraulic hose, tubing and ports during service. Reusable yellow plugs resist oils and shop chemicals and fit a wide range of diameters. Simple push and twist installation helps prevent spills and contamination.
| Material | Color | Shape | Series | Name | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
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Rubber
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Yellow
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Service Plug
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Universal
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1/2" - 1-3/4" Large Service Plug
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1
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90942
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Rubber
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Yellow
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Service Plug
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Universal
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3/16" - 7/8" Medium Service Plug - 2 Pack
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2
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90941
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Package Weight: 0.2 lbs
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Rubber
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Yellow
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Service Plug
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Universal
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3/64" - 3/8" Small Service Plug - 4 Pack
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4
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90940
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Hydraulic Dust Plug - W Series
Hydraulic W Series dust plugs for NPT connections. Carbon steel construction with Buna-N seals and external o-rings for redundant sealing. Rated to -40 °F to 250 °F with working pressures up to 2,750 psi. Designed for heavy-duty, low-spill hydraulic service.
| Body Size | Material | Color | Shape | Series | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
|
1"
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Carbon Steel
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Silver
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Dust Plug
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W Series
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1
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521388
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1-1/4"
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Carbon Steel
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Silver
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Dust Plug
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W Series
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1
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521389
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Package Weight: 0.6 lbs
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1-1/2"
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Carbon Steel
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Silver
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Dust Plug
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W Series
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1
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521390
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Package Weight: 1.1 lbs
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Hydraulic Dust Cap - W Series
Hydraulic dust cap for W Series couplers made from carbon steel with a silver finish. NPT threaded cap uses Buna‑N seals and external o‑rings to reduce contamination and redundant seals to improve leak resistance. Suited for high‑pressure hydraulic connections and repair tasks.
| Body Size | Material | Color | Shape | Series | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
|
1"
|
Carbon Steel
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Silver
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Dust Cap
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W Series
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1
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521391
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1-1/4"
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Carbon Steel
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Silver
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Dust Cap
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W Series
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1
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521392
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Package Weight: 0.4 lbs
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1-1/2"
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Carbon Steel
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Silver
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Dust Cap
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W Series
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1
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521393
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Package Weight: 0.7 lbs
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Dust Plug for 4000 Series
Rubber dust plug for Pioneer 4000 Series hydraulic couplers. Molded to fit 4000 Series couplers and nipples and available in multiple body sizes. Provides protection against dust and debris for equipment maintenance and helps preserve coupling seals for reliable service.
| Body Size | Material | Shape | Series | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|
|
1/4"
|
Rubber
|
Dust Plug
|
Pioneer 4000 Series
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5
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521215
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Package Weight: 0.1 lbs
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3/8"
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Rubber
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Dust Plug
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Pioneer 4000 Series
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5
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521217
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|
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Package Weight: 0.2 lbs
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1/2"
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Rubber
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Dust Plug
|
Pioneer 4000 Series
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5
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521219
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|
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Package Weight: 0.2 lbs
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3/4"
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Rubber
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Dust Plug
|
Pioneer 4000 Series
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1
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521221
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1"
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Rubber
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Dust Plug
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Pioneer 4000 Series
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1
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521223
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Dust Cap for 4000 Series
Rubber dust cap for Pioneer 4000 Series hydraulic couplers and nipples. Available in multiple body sizes and colors to protect disconnected coupler ends from contamination. Durable rubber construction helps resist debris and moisture for equipment maintenance and repair tasks.
| Body Size | Material | Shape | Series | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|
|
1/4"
|
Rubber
|
Dust Cap
|
Pioneer 4000 Series
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5
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521216
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|
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Package Weight: 0.2 lbs
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3/8"
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Rubber
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Dust Cap
|
Pioneer 4000 Series
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5
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521218
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|
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Package Weight: 0.2 lbs
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1/2"
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Rubber
|
Dust Cap
|
Pioneer 4000 Series
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5
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521220
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|
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Package Weight: 0.2 lbs
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3/4"
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Rubber
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Dust Cap
|
Pioneer 4000 Series
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1
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521222
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|
|
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1"
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Rubber
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Dust Cap
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Pioneer 4000 Series
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1
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521224
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|
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Dust Plug for 60 Series
Nitrile dust plugs for 60 Series hydraulic couplers and nipples. Two‑in‑one cap and plug design fits ISO 7241-1 Series B and compatible 6600 Series fittings. Protects mating surfaces from dirt, moisture, nicks and corrosion and helps extend service life.
| Body Size | Material | Color | Shape | Series | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
|
1/4"
|
Nitrile
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Black
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Dust Plug
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60 Series
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5
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521205
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|
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3/8"
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Nitrile
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Black
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Dust Plug
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60 Series
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5
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521207
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1/2"
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Nitrile
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Black
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Dust Plug
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60 & 6600 Series
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5
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521209
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3/4"
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Nitrile
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Black
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Dust Plug
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60 Series
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2
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521211
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|
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1"
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Nitrile
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Black
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Dust Plug
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60 Series
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2
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521213
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Dust Cap for 60 Series
Nitrile dust cap for 60 Series hydraulic couplers and nipples. Dual-ended cap with integral plug provides versatile protection against dirt, moisture, nicks and corrosion and helps extend service life. Suitable for ISO 7241-1 Series A and B couplings.
| Body Size | Material | Color | Shape | Series | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
|
1/4"
|
Nitrile
|
Black
|
Dust Cap
|
60 Series
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5
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521206
|
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|
|
|
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3/8"
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Nitrile
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Black
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Dust Cap
|
60 Series
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5
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521208
|
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|
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Package Weight: 0.2 lbs
|
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1/2"
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Nitrile
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Black
|
Dust Cap
|
60 & 6600 Series
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5
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521210
|
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|
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Package Weight: 0.4 lbs
|
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3/4"
|
Nitrile
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Black
|
Dust Cap
|
60 Series
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2
|
521212
|
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|
|
|
|||||||
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1"
|
Nitrile
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Black
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Dust Cap
|
60 Series
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2
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521214
|
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|
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|
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2-in-1 Cap & Plug - 6600 Series
Rubber 2-in-1 cap and plug for hydraulic couplers and nipples in the 6600 Series. NPT threaded ends in multiple sizes provide protection from dirt, moisture, nicks and burrs and help extend service life. Working pressure up to 2,750 psi supports routine equipment maintenance.
| Body Size | Material | Shape | Series | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|
|
1/4"
|
Rubber
|
Cap & Plug
|
6600 Series
|
5
|
521930
|
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|
|
Package Weight: 0.1 lbs
|
||||||
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3/8"
|
Rubber
|
Cap & Plug
|
6600 Series
|
5
|
521931
|
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|
|
Package Weight: 0.2 lbs
|
||||||
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3/4"
|
Rubber
|
Cap & Plug
|
6600 Series
|
2
|
521932
|
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|
|
Package Weight: 0.2 lbs
|
||||||
|
1"
|
Rubber
|
Cap & Plug
|
6600 Series
|
2
|
521933
|
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|
|
Package Weight: 0.3 lbs
|
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3/8" Dust Plug for FF Series
Dust plug for FF Series fittings made from a PVC rubber blend to protect disconnected couplers and nipples. Black and silver options provide a snug fit for 3/8" bodies and help keep dirt and contaminants out. Prolongs coupler life by reducing nicks and burrs.
| Body Size | Material | Color | Shape | Series | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
|
3/8"
|
PVC Rubber Blend
|
Black
|
Dust Plug
|
FF Series
|
3
|
521145
|
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|
|
|
|||||||
3/8" Dust Cap for FF Series
Dust cap for FF Series couplers made from a PVC rubber blend. Designed to protect disconnected 3/8" fittings from dirt and contaminants and to reduce nicks and burrs on connecting surfaces. Available in black or silver and helps prolong coupler service life.
| Body Size | Material | Color | Shape | Series | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
|
3/8"
|
PVC Rubber Blend
|
Black
|
Dust Cap
|
FF Series
|
3
|
521144
|
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|
|
|
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Dust Plug for HT Series
Dust plugs for HT and FF series fittings made of PVC or PVC rubber blend. Molded head style keeps disconnected nipples and couplers free of dirt and debris. Protects sealing surfaces and helps prolong coupler life for equipment maintenance and repair tasks.
| Body Size | Material | Color | Shape | Series | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
|
3/8"
|
PVC
|
Black
|
Dust Plug
|
Dixon HT Series
|
3
|
521139
|
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|
|
|
|||||||
|
1/2"
|
PVC
|
Black
|
Dust Plug
|
FF & Dixon HT Series
|
2
|
521141
|
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|
|
Package Weight: 0.1 lbs
|
|||||||
|
3/4"
|
PVC Rubber Blend
|
Black
|
Dust Plug
|
FF & Dixon HT Series
|
2
|
521143
|
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|
|
Package Weight: 0.1 lbs
|
|||||||
Dust Cap for HT Series
Dust caps for HT and FF series fittings made from a PVC rubber blend. Designed to protect disconnected nipples and couplers from dirt and contaminants and help prevent nicks and burrs, which prolongs coupler service life. Suitable for industrial maintenance tasks.
| Body Size | Material | Color | Shape | Series | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
|
3/8"
|
PVC Rubber Blend
|
Black
|
Dust Cap
|
Dixon HT Series
|
3
|
521138
|
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|
|
|
|||||||
|
1/2"
|
PVC Rubber Blend
|
Black
|
Dust Cap
|
FF & Dixon HT Series
|
2
|
521140
|
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|
|
Package Weight: 0.1 lbs
|
|||||||
|
3/4"
|
PVC Rubber Blend
|
Black
|
Dust Cap
|
FF & Dixon HT Series
|
2
|
521142
|
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|
|
Package Weight: 0.2 lbs
|
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1/2" Hydraulic Coupler Break-Away Clamp
Hydraulic coupler break-away clamp for 1/2" body size agricultural couplers. Forged steel construction with a silver finish provides durable mounting for 4000, 4200 and 8200 series couplers and helps the male tip disconnect during implement breakaway to reduce hose damage and fluid spillage. Made in the U.S.A.
| Body Size | Material | Color | Shape | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|
|
1/2"
|
Forged Steel
|
Silver
|
Break-Away Clamp
|
1
|
521806
|
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|
|
|
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