bolts › machine bolts
MS9915-30
Military Standard Bolt
Description
Fastener Length: 2-", Thread: 1/4-28, Thread Length: 27/32"
Specifications
| Extended Washer Diameter | 0.438 |
|---|---|
| Extended Washer Thickness | 0.060 inches minimum |
| Fastener Length | 2.000 |
| Hardness Rating | 26.0 rockwell c minimum and 32.0 rockwell c maximum |
| Head Height | 0.303 |
| Head Style | Double hexagon w/hole |
| Material | Steel |
| Material Specification | Ams 6322 assn std single material response |
| Special Features | 32 surface finish on bearing surface of head, grip, and threads |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Ams 2400 assn std single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.071 inches minimum and 0.851 inches maximum |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNJF |
| Thread Size | 1/4 |
| Width Between Flats | 0.3125 |
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 MS9915-30. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error