System of Measurement System of Measurement |
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Pin Type Pin Type |
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![]() | Quick Release |
Material Material |
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End Type End Type |
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![]() | Spring-Loaded Ball |
Lock Type Lock Type |
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Head Type Head Type |
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![]() | T-Handle |
Handle Material Handle Material |
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End Shape End Shape |
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![]() | Chamfered |
Breaking Strength Breaking Strength |
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Spring Material Spring Material |
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Specifications Met Specifications Met |
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Number of Retaining Balls Number of Retaining Balls |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Ball Material Ball Material |
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Passivation Passivation |
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Shaft Type Shaft Type |
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![]() | Plain |
DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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T-Handle Locking Push-Pull Quick-Release Pins

Also known as double-acting pins, these pins lock in place until you push or pull the handle to release the spring-loaded retaining balls. Use them in a hole as close to the diameter as possible, but not larger than the diameter at extended ball height. Breaking strength is measured as double shear, which is the force required to break a pin into three pieces.
Pins meet NAS1332 specifications. They're made of 17-4 PH stainless steel for strength with some corrosion resistance, and passivated for added protection against corrosion and oxidation. They are magnetic.
For technical drawings and 3-D models, click on a part number.
Usable Lg. | Dia. at Extended Ball Ht. | Breaking Strength, lbs. | Specifications Met | Each | |
17-4 PH Stainless Steel | |||||
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3/16" Dia. | |||||
1/2" | 0.22" | 5,100 | MS17988C305, NAS1353C2C05D | 000000000 | 000000 |
1" | 0.22" | 5,100 | MS17988C310, NAS1353C2C10D | 000000000 | 00000 |
1 1/2" | 0.22" | 5,100 | MS17988C315, NAS1353C2C15D | 000000000 | 00000 |
1/4" Dia. | |||||
1/2" | 0.289" | 9,200 | MS17988C405, NAS1354C2C05D | 000000000 | 00000 |
1" | 0.289" | 9,200 | MS17988C410, NAS1354C2C10D | 000000000 | 00000 |
1 1/2" | 0.289" | 9,200 | MS17988C415, NAS1354C2C15D | 000000000 | 00000 |
2" | 0.289" | 9,200 | MS17988C420, NAS1354C2C20D | 000000000 | 00000 |
2 1/2" | 0.289" | 9,200 | MS17988C425, NAS1354C2C25D | 000000000 | 00000 |
3" | 0.289" | 9,200 | MS17988C430, NAS1354C2C30D | 000000000 | 00000 |
5/16" Dia. | |||||
1" | 0.375" | 14,400 | MS17988C510, NAS1355C2C10D | 000000000 | 00000 |
1 1/2" | 0.375" | 14,400 | MS17988C515, NAS1355C2C15D | 000000000 | 00000 |
2" | 0.375" | 14,400 | MS17988C520, NAS1355C2C20D | 000000000 | 00000 |
3/8" Dia. | |||||
1" | 0.44" | 20,500 | MS17988C610, NAS1356C2C10D | 000000000 | 00000 |
1 1/2" | 0.44" | 20,500 | MS17988C615, NAS1356C2C15D | 000000000 | 00000 |
2" | 0.44" | 20,500 | MS17988C620, NAS1356C2C20D | 000000000 | 00000 |
2 1/2" | 0.44" | 20,500 | MS17988C625, NAS1356C2C25D | 000000000 | 00000 |
3" | 0.44" | 20,500 | MS17988C630, NAS1356C2C30D | 000000000 | 00000 |
1/2" Dia. | |||||
1 1/2" | 0.594" | 36,500 | MS17988C815, NAS1358C2C15D | 000000000 | 00000 |
2" | 0.594" | 36,500 | MS17988C820, NAS1358C2C20D | 000000000 | 00000 |
3" | 0.594" | 36,500 | MS17988C830, NAS1358C2C30D | 000000000 | 00000 |