System of Measurement System of Measurement |
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Length Length |
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Usable Length Usable Length |
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Material Material |
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Finish Finish |
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End Type End Type | Show |
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![]() | Wire Retainer |
End Type End Type | Hide |
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Plain | Spring-Loaded Ball |
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Through Hole | Wire Retainer |
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Retaining Ring Groove | Toggle |
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Adjustable Length | Threaded |
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Wedge | Button |
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Locking Retainer | Tapped |
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Set Screw Flat | Flat Head |
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Plug | Socket |
Retainer Closure Retainer Closure |
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Pin Type Pin Type |
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![]() | ![]() |
Clevis | For Tubing |
Retainer Clearance Retainer Clearance |
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Head Type Head Type |
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![]() | Flat |
Shaft Type Shaft Type |
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![]() | Plain |
Minimum Hardness Minimum Hardness |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Passivation Passivation |
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Color Color |
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![]() | Black |
REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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Specifications Met Specifications Met |
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Wire-Lock Clevis Pins





The wire retainer snaps closed to secure the pin for a one-piece alternative to a clevis and cotter pin combination. Also known as PTO pins.
Pins with easy-release tab are easier to install and remove than other wire-lock clevis pins.
Zinc-plated steel pins have good strength and some corrosion resistance. Pins that meet SAE J429 comply with specifications and testing requirements for material quality. They have a coating that protects them from rusting due to salt spray.
18-8 stainless steel pins offer a balance of strength and corrosion resistance. They may be mildly magnetic.
Dia. | Usable Lg. | Lg. | Dia. Tolerance | Retainer Clearance | Min. Hardness | Specifications Met | Each | |
Rounded Retainer with Loop Closure | ||||||||
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Zinc-Plated 1004-1045 Carbon Steel | ||||||||
1/4" | 1 3/16" | 1 15/16" | -0.005" to 0.002" | 1 5/8" | Rockwell B55 | __ | 000000000 | 00000 |
1/4" | 1 3/8" | 2 5/16" | -0.005" to 0.002" | 1 9/16" | Rockwell B55 | __ | 000000000 | 0000 |
1/4" | 2 3/16" | 3 1/16" | -0.005" to 0.002" | 1 3/4" | Rockwell B55 | __ | 000000000 | 0000 |
5/16" | 1 3/16" | 1 15/16" | -0.005" to 0.002" | 1 9/16" | Rockwell B55 | __ | 000000000 | 0000 |
5/16" | 1 3/8" | 2 5/16" | -0.005" to 0.002" | 1 1/2" | Rockwell B55 | __ | 000000000 | 0000 |
5/16" | 2 3/16" | 3 1/16" | -0.005" to 0.002" | 1 11/16" | Rockwell B55 | __ | 000000000 | 0000 |
3/8" | 1 3/16" | 1 15/16" | -0.005" to 0.002" | 1 1/2" | Rockwell B55 | __ | 000000000 | 0000 |
3/8" | 1 3/8" | 2 5/16" | -0.005" to 0.002" | 1 7/16" | Rockwell B55 | __ | 000000000 | 0000 |
3/8" | 2 3/16" | 3 1/16" | -0.005" to 0.002" | 1 5/8" | Rockwell B55 | __ | 000000000 | 0000 |
Zinc-Plated 1008-1018 Carbon Steel | ||||||||
1/4" | 1 3/4" | 2 3/8" | 0.243" to 0.248" | 1 5/8" | Not Rated | __ | 000000000 | 0000 |
5/16" | 1 3/4" | 2 1/4" | 0.306" to 0.311" | 1 5/8" | Not Rated | __ | 000000000 | 0000 |
5/16" | 2 1/2" | 3 1/16" | 0.306" to 0.311" | 2" | Not Rated | __ | 000000000 | 0000 |
3/8" | 1 1/2" | 2 1/16" | 0.368" to 0.373" | 1 1/2" | Not Rated | __ | 000000000 | 0000 |
18-8 Stainless Steel | ||||||||
1/4" | 1 1/8" | 2" | -0.005" to 0.000" | 1 5/8" | Rockwell B75 | __ | 000000000 | 0000 |
1/4" | 1 3/8" | 2 3/8" | -0.005" to 0.000" | 1 1/2" | Rockwell B75 | __ | 000000000 | 0000 |
1/4" | 1 3/4" | 2 3/8" | 0.243" to 0.248" | 1 5/8" | Rockwell B80 | __ | 000000000 | 0000 |
1/4" | 2 1/8" | 3 1/8" | -0.005" to 0.000" | 1 3/4" | Rockwell B75 | __ | 000000000 | 0000 |
5/16" | 1 1/8" | 2" | -0.005" to 0.000" | 1 1/2" | Rockwell B75 | __ | 000000000 | 0000 |
5/16" | 1 3/8" | 2 3/8" | -0.005" to 0.000" | 1 1/2" | Rockwell B75 | __ | 000000000 | 0000 |
5/16" | 1 3/4" | 2 1/4" | 0.306" to 0.311" | 1 5/8" | Rockwell B80 | __ | 000000000 | 0000 |
5/16" | 2 1/8" | 3 1/8" | -0.005" to 0.000" | 1 5/8" | Rockwell B75 | __ | 000000000 | 0000 |
5/16" | 2 1/2" | 3 1/16" | 0.306" to 0.311" | 2" | Rockwell B80 | __ | 000000000 | 0000 |
3/8" | 1 1/8" | 2" | -0.005" to 0.000" | 1 1/2" | Rockwell B75 | __ | 000000000 | 0000 |
3/8" | 1 3/8" | 2 3/8" | -0.005" to 0.000" | 1 3/8" | Rockwell B75 | __ | 000000000 | 0000 |
3/8" | 1 1/2" | 2 1/16" | 0.368" to 0.373" | 1 1/2" | Rockwell B80 | __ | 000000000 | 0000 |
3/8" | 2 1/8" | 3 1/8" | -0.005" to 0.000" | 1 5/8" | Rockwell B75 | __ | 000000000 | 0000 |
Rounded Retainer with Loop with Easy-Release Tab Closure | ||||||||
Zinc-Plated 1004-1045 Carbon Steel | ||||||||
1/4" | 1 3/8" | 2 5/16" | -0.005" to 0.002" | 1 9/16" | Rockwell B55 | __ | 000000000 | 0000 |
5/16" | 1 3/8" | 2 5/16" | -0.005" to 0.002" | 1 1/2" | Rockwell B55 | __ | 000000000 | 0000 |
5/16" | 2 3/16" | 3 1/16" | -0.005" to 0.002" | 1 3/4" | Rockwell B55 | __ | 000000000 | 0000 |
3/8" | 1 3/8" | 2 5/16" | -0.005" to 0.002" | 1 7/16" | Rockwell B55 | __ | 000000000 | 0000 |
3/8" | 2 3/16" | 3 1/16" | -0.005" to 0.002" | 1 3/4" | Rockwell B55 | __ | 000000000 | 0000 |
Zinc-Plated 1008-1018 Carbon Steel | ||||||||
1/4" | 1 3/4" | 2 3/8" | 0.243" to 0.248" | 1 5/8" | Not Rated | __ | 000000000 | 0000 |
18-8 Stainless Steel | ||||||||
1/4" | 1 3/8" | 2 3/8" | -0.005" to 0.000" | 1 1/2" | Rockwell B75 | __ | 000000000 | 0000 |
1/4" | 1 3/4" | 2 3/8" | 0.243" to 0.248" | 1 5/8" | Rockwell B80 | __ | 000000000 | 0000 |
5/16" | 1 3/8" | 2 3/8" | -0.005" to 0.000" | 1 1/2" | Rockwell B75 | __ | 000000000 | 0000 |
5/16" | 2 1/8" | 3 1/8" | -0.005" to 0.000" | 1 3/4" | Rockwell B75 | __ | 000000000 | 0000 |
3/8" | 1 3/8" | 2 3/8" | -0.005" to 0.000" | 1 3/8" | Rockwell B75 | __ | 000000000 | 0000 |
3/8" | 2 1/8" | 3 1/8" | -0.005" to 0.000" | 1 3/4" | Rockwell B75 | __ | 000000000 | 0000 |
Squared Retainer with Hook Closure | ||||||||
Zinc-Plated 1004-1045 Carbon Steel | ||||||||
1/4" | 3" | 3 3/4" | 0.002" to -0.010" | 1 1/2" | Rockwell B55 | __ | 000000000 | 0000 |
1/4" | 3 1/2" | 4 1/4" | 0.002" to -0.010" | 1 3/4" | Rockwell B55 | __ | 000000000 | 0000 |
1/4" | 4" | 4 3/4" | 0.002" to -0.010" | 2" | Rockwell B55 | __ | 000000000 | 0000 |
5/16" | 3" | 3 3/4" | 0.002" to -0.010" | 1 1/2" | Rockwell B55 | __ | 000000000 | 0000 |
5/16" | 3 1/2" | 4 1/4" | 0.002" to -0.010" | 1 3/4" | Rockwell B55 | __ | 000000000 | 0000 |
5/16" | 4" | 4 3/4" | -0.005" to 0.002" | 2" | Rockwell B55 | __ | 000000000 | 0000 |
3/8" | 3" | 3 3/4" | 0.002" to -0.010" | 1 1/2" | Rockwell B55 | __ | 000000000 | 0000 |
3/8" | 3 1/2" | 4 1/4" | 0.002" to -0.010" | 1 3/4" | Rockwell B55 | __ | 000000000 | 0000 |
3/8" | 4" | 4 3/4" | -0.005" to 0.002" | 2" | Rockwell B55 | __ | 000000000 | 00000 |
1/2" | 4 1/4" | 6" | -0.015" to 0.000" | 3" | Rockwell B90 | __ | 000000000 | 0000 |
5/8" | 4 1/4" | 6" | -0.015" to 0.000" | 3" | Rockwell B90 | __ | 000000000 | 0000 |
3/4" | 4 1/4" | 6" | -0.015" to 0.000" | 3" | Rockwell B90 | __ | 000000000 | 00000 |
3/4" | 6 1/4" | 8" | -0.015" to 0.000" | 3" | Rockwell B90 | __ | 000000000 | 00000 |
7/8" | 6 1/4" | 7 1/2" | -0.015" to 0.000" | 3 1/4" | Rockwell B90 | __ | 000000000 | 00000 |
1" | 6 1/4" | 7 3/4" | -0.015" to 0.000" | 3 1/4" | Rockwell B90 | __ | 000000000 | 00000 |
Zinc-Plated 1144 Carbon Steel | ||||||||
1/2" | 3 1/2" | 5 1/8" | -0.016" to 0.016" | 2 1/2" | Rockwell C22 | __ | 000000000 | 00000 |
5/8" | 4" | 5 3/4" | -0.016" to 0.016" | 3 3/8" | Rockwell C22 | __ | 000000000 | 00000 |
3/4" | 4" | 5 3/4" | -0.016" to 0.016" | 3 1/4" | Rockwell C22 | __ | 000000000 | 00000 |
3/4" | 6" | 7 3/4" | -0.016" to 0.016" | 3 1/4" | Rockwell C22 | __ | 000000000 | 00000 |
7/8" | 5 1/2" | 7 3/8" | -0.016" to 0.016" | 3 1/4" | Rockwell C22 | __ | 000000000 | 00000 |
1" | 5 1/2" | 7 3/8" | -0.016" to 0.016" | 3 1/4" | Rockwell C22 | __ | 000000000 | 00000 |
18-8 Stainless Steel | ||||||||
1/4" | 3" | 3 3/4" | -0.010" to 0.000" | 1 1/2" | Rockwell B75 | __ | 000000000 | 00000 |
1/4" | 3 1/2" | 4 1/4" | -0.010" to 0.000" | 1 3/4" | Rockwell B75 | __ | 000000000 | 00000 |
1/4" | 4" | 4 3/4" | -0.010" to 0.000" | 2" | Rockwell B75 | __ | 000000000 | 00000 |
5/16" | 3" | 3 3/4" | -0.010" to 0.000" | 1 1/2" | Rockwell B75 | __ | 000000000 | 00000 |
5/16" | 3 1/2" | 4 1/4" | -0.010" to 0.000" | 1 3/4" | Rockwell B75 | __ | 000000000 | 00000 |
5/16" | 4" | 4 3/4" | -0.010" to 0.000" | 2" | Rockwell B75 | __ | 000000000 | 00000 |
3/8" | 3" | 3 3/4" | -0.010" to 0.000" | 1 1/2" | Rockwell B75 | __ | 000000000 | 00000 |
3/8" | 3 1/2" | 4 1/4" | -0.010" to 0.000" | 1 3/4" | Rockwell B75 | __ | 000000000 | 00000 |
3/8" | 4" | 4 3/4" | -0.010" to 0.000" | 2" | Rockwell B75 | __ | 000000000 | 00000 |
1/2" | 3 1/2" | 5 1/8" | -0.016" to 0.016" | 2 1/2" | Rockwell B75 | __ | 000000000 | 00000 |
5/8" | 4" | 5 3/4" | -0.016" to 0.016" | 3 3/8" | Rockwell B75 | __ | 000000000 | 00000 |
3/4" | 4" | 5 3/4" | -0.016" to 0.016" | 3 1/4" | Rockwell B75 | __ | 000000000 | 00000 |
3/4" | 6" | 7 3/4" | -0.016" to 0.016" | 3 1/4" | Rockwell B75 | __ | 000000000 | 00000 |
7/8" | 5 1/2" | 7 3/8" | -0.016" to 0.016" | 3 1/4" | Rockwell B75 | __ | 000000000 | 00000 |
1" | 5 1/2" | 7 3/8" | -0.016" to 0.016" | 3 1/4" | Rockwell B75 | __ | 000000000 | 00000 |
Squared Retainer with Loop Closure | ||||||||
Zinc-Plated 1004-1045 Carbon Steel | ||||||||
1/4" | 1 7/8" | 2 13/16" | -0.005" to 0.002" | 1 5/8" | Rockwell B55 | __ | 000000000 | 0000 |
1/4" | 2 3/16" | 3 1/16" | -0.005" to 0.002" | 1 3/4" | Rockwell B55 | __ | 000000000 | 0000 |
5/16" | 1 7/8" | 2 13/16" | -0.005" to 0.002" | 1 9/16" | Rockwell B55 | __ | 000000000 | 0000 |
5/16" | 2 3/16" | 3 1/16" | -0.005" to 0.002" | 1 11/16" | Rockwell B55 | __ | 000000000 | 0000 |
5/16" | 2 7/8" | 3 9/16" | -0.005" to 0.002" | 1 11/16" | Rockwell B55 | __ | 000000000 | 0000 |
3/8" | 1 7/8" | 2 13/16" | -0.005" to 0.002" | 1 1/2" | Rockwell B55 | __ | 000000000 | 0000 |
3/8" | 2 3/16" | 3 1/16" | -0.005" to 0.002" | 1 5/8" | Rockwell B55 | __ | 000000000 | 0000 |
3/8" | 2 7/8" | 3 9/16" | -0.005" to 0.002" | 1 5/8" | Rockwell B55 | __ | 000000000 | 0000 |
1/2" | 3 3/32" | 3 13/16" | -0.005" to 0.002" | 1 5/8" | Rockwell B55 | __ | 000000000 | 0000 |
Zinc-Plated 1008-1010 Carbon Steel | ||||||||
1/4" | 2 7/8" | 3 5/8" | -0.005" to 0.002" | 1 11/16" | Not Rated | __ | 000000000 | 0000 |
5/16" | 3 7/16" | 4 5/16" | -0.005" to 0.002" | 1 5/8" | Not Rated | __ | 000000000 | 0000 |
5/16" | 3 9/16" | 4 13/16" | -0.005" to 0.002" | 1 5/8" | Not Rated | __ | 000000000 | 0000 |
3/8" | 3 7/16" | 4 5/16" | -0.005" to 0.002" | 1 5/8" | Not Rated | __ | 000000000 | 0000 |
3/8" | 3 9/16" | 4 13/16" | -0.005" to 0.002" | 1 5/8" | Not Rated | __ | 000000000 | 0000 |
Zinc-Plated 1008-1018 Carbon Steel | ||||||||
1/4" | 2 1/2" | 3" | 0.243" to 0.248" | 1 9/16" | Not Rated | __ | 000000000 | 0000 |
5/16" | 2 1/2" | 3 1/16" | 0.306" to 0.311" | 1 3/4" | Not Rated | __ | 000000000 | 0000 |
3/8" | 2 1/4" | 2 7/8" | 0.368" to 0.373" | 1 1/2" | Not Rated | __ | 000000000 | 0000 |
Black Carbon Steel | ||||||||
1/4" | 2 3/16" | 3 1/16" | -0.005" to 0.002" | 1 3/4" | Not Rated | SAE J429 | 000000000 | 0000 |
5/16" | 2 3/16" | 3 1/16" | -0.005" to 0.002" | 1 11/16" | Not Rated | SAE J429 | 000000000 | 0000 |
3/8" | 2 3/16" | 3 1/16" | -0.005" to 0.002" | 1 5/8" | Not Rated | SAE J429 | 000000000 | 0000 |
1/2" | 3" | 3 13/16" | -0.005" to 0.002" | 1 5/8" | Not Rated | SAE J429 | 000000000 | 0000 |
18-8 Stainless Steel | ||||||||
1/4" | 1 7/8" | 2 7/8" | -0.005" to 0.000" | 1 5/8" | Rockwell B75 | __ | 000000000 | 0000 |
1/4" | 2 1/8" | 3 1/8" | -0.005" to 0.000" | 1 3/4" | Rockwell B75 | __ | 000000000 | 0000 |
1/4" | 2 1/2" | 3" | 0.243" to 0.248" | 1 9/16" | Rockwell B80 | __ | 000000000 | 00000 |
5/16" | 1 7/8" | 2 7/8" | -0.005" to 0.000" | 1 1/2" | Rockwell B75 | __ | 000000000 | 0000 |
5/16" | 2 1/8" | 3 1/8" | -0.005" to 0.000" | 1 5/8" | Rockwell B75 | __ | 000000000 | 0000 |
5/16" | 2 1/2" | 3 1/16" | 0.306" to 0.311" | 1 3/4" | Rockwell B80 | __ | 000000000 | 0000 |
5/16" | 2 7/8" | 3 5/8" | -0.005" to 0.000" | 1 5/8" | Rockwell B75 | __ | 000000000 | 0000 |
3/8" | 1 7/8" | 2 7/8" | -0.005" to 0.000" | 1 1/2" | Rockwell B75 | __ | 000000000 | 0000 |
3/8" | 2 1/8" | 3 1/8" | -0.005" to 0.000" | 1 5/8" | Rockwell B75 | __ | 000000000 | 0000 |
3/8" | 2 1/4" | 2 7/8" | 0.368" to 0.373" | 1 1/2" | Rockwell B80 | __ | 000000000 | 00000 |
3/8" | 2 7/8" | 3 5/8" | -0.005" to 0.000" | 1 5/8" | Rockwell B75 | __ | 000000000 | 0000 |
1/2" | 3" | 3 13/16" | -0.005" to 0.000" | 1 5/8" | Rockwell B75 | __ | 000000000 | 00000 |
Squared Retainer with Loop with Easy-Release Tab Closure | ||||||||
Zinc-Plated 1004-1045 Carbon Steel | ||||||||
1/4" | 2 1/4" | 3 1/16" | -0.005" to 0.002" | 1 5/8" | Not Rated | __ | 000000000 | 0000 |
5/16" | 2 1/4" | 3 1/16" | -0.005" to 0.002" | 1 5/8" | Not Rated | __ | 000000000 | 0000 |
3/8" | 2 1/4" | 3 1/16" | -0.005" to 0.002" | 1 5/8" | Not Rated | __ | 000000000 | 0000 |
18-8 Stainless Steel | ||||||||
1/4" | 2 1/4" | 3 1/16" | -0.005" to 0.000" | 1 5/8" | Rockwell B75 | __ | 000000000 | 00000 |
5/16" | 2 1/4" | 3 1/16" | -0.005" to 0.000" | 1 5/8" | Rockwell B75 | __ | 000000000 | 00000 |
3/8" | 2 1/4" | 3 1/16" | -0.005" to 0.000" | 1 5/8" | Rockwell B75 | __ | 000000000 | 00000 |
3/8" | 2 1/2" | 3 1/16" | 0.368" to 0.373" | 1 1/2" | Rockwell B80 | __ | 000000000 | 00000 |
Wire-Lock Pins for Telescoping Tubing


Sized to fit snugly around pipe and tube, these pins use spring force to keep the retainer closed. Also known as linch pins and PTO pins, use them for a one-piece alternative to a clevis and cotter pin combination.
For technical drawings and 3-D models, click on a part number.