bolts › machine bolts
MS9494-23
Military Standard Bolt
Description
Fastener Length: 2-1/4", Thread: 1/2-20, Thread Length: 1-1/4"
Specifications
| Fastener Length | 2.250 |
|---|---|
| Features Provided | Finished head |
| Grip Length | 0.940 inches minimum and 1.000 inches maximum |
| Hardness Rating | 248.0 brinell standard minimum and 341.0 brinell standard maximum |
| Head Height | 0.281 |
| Head Style | Hexagon Head |
| Length | 2 1/4 |
| Material | Iron |
| Material Specification | Ams 5731 assn std single material response |
| Min. Tensile Strength (psi) | 130000 pounds per square inch |
| Minimum Yield Strength | 85000 pounds per square inch |
| Surface Finish | 32.0 microinches bearing surface of head, 32.0 microinches grip, 32.0 microinches threads |
| Thread Class | 3a |
| Thread Diameter | 0.500 |
| Thread Direction | Right-hand |
| Thread Length | 1.250 inches minimum and 1.310 inches maximum |
| Thread Qty | 20 |
| Thread Qty Per Inch (tpi) | 20 |
| Thread Series Designator | UNJF |
| Thread Size | 1/2 |
| Width Between Flats | 0.741 inches minimum and 0.752 inches maximum |
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 MS9494-23. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error