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MS21296-05014
Military Standard Bolt
Description
Fastener Length: 1-33/64", Thread: 5/16-24, Thread Length: 35/64"
Specifications
| Extended Washer Diameter | 0.575 inches minimum and 0.585 inches maximum |
|---|---|
| Extended Washer Thickness | 0.035 inches minimum and 0.065 inches maximum |
| Fastener Length | 1.509 inches minimum and 1.539 inches maximum |
| Grip Diameter | 0.3110 inches minimum and 0.3120 inches maximum |
| Grip Length | 0.865 inches minimum and 0.885 inches maximum |
| Hardness Rating | 51.0 rockwell c minimum and 54.0 rockwell c maximum |
| Head Height | 0.237 inches minimum and 0.287 inches maximum |
| Head Minor Diameter | 0.360 inches minimum and 0.375 inches maximum |
| Head Style | Spline extended washer |
| Length | 1 17/32 |
| Material | Steel |
| Material Specification | Ams6487 assn std single material response |
| Min. Tensile Strength (psi) | 260000 pounds per square inch |
| Surface Finish | 32.0 microinches bearing surface of head, 32.0 microinches grip |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Mil-c-8837 ty2 cl2 fed std single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.312 |
| Thread Direction | Right-hand |
| Thread Length | 0.541 inches minimum and 0.674 inches maximum |
| Thread Qty | 24 |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series Designator | UNJF |
| Thread Size | 1/4 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS21296-05014. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error