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MS9453-20
Military Standard Bolt
Description
Fastener Length: 1-1/2", Thread: 1/4-24, Thread Length: 59/64"
Specifications
| Fastener Length | 1.500 |
|---|---|
| Features Provided | Finished head |
| Grip Length | 0.565 inches minimum and 0.625 inches maximum |
| Hardness Rating | 42.0 rockwell c minimum and 46.0 rockwell c maximum |
| Head Height | 0.188 |
| Head Style | Hexagon Head |
| Length | 1 1/2 |
| Material | CRES |
| Material Specification | Ams 6304 assn std single material response |
| Surface Finish | 32.0 microinches threads, 63.0 microinches bearing surface of head, 63.0 microinches grip |
| Surface Treatment | Nickel and cadmium |
| Surface Treatment Specification | Ams 2416 assn std all treatment responses |
| Thread Class | 3a |
| Thread Diameter | 0.312 |
| Thread Direction | Right-hand |
| Thread Length | 0.875 inches minimum and 0.935 inches maximum |
| Thread Qty | 24 |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series Designator | UNJF |
| Thread Size | 1/4 |
| Width Between Flats | 0.492 inches minimum and 0.502 inches maximum |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
Similar parts
Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.
- MS9491-20 MS 1/4-24 · 0.073 in · Hexagon Head · Iron
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Catalog data updated 2026-07-05. Report a data error