bolts › machine bolts
MS9887-13
Military Standard Machine Bolt
Description
Fastener Length: 1", Thread: 1/4-24, Thread Length: 59/64", drilled head, MS9887 series bolt
Specifications
| Extended Washer Diameter | 0.500 |
|---|---|
| Extended Washer Thickness | 0.070 inches minimum |
| Fastener Length | 1.062 |
| Features Provided | Finished head |
| Grip Length | 0.128 inches minimum and 0.188 inches maximum |
| Hardness Rating | 32.0 rockwell c minimum and 38.0 rockwell c maximum |
| Head Height | 0.338 |
| Head Style | Double hexagon w/hole |
| Material | Steel |
| Material Specification | Ams 5616 assn std single material response |
| Surface Finish | 32.0 microinches bearing surface of head, 32.0 microinches grip, 32.0 microinches threads |
| Thread Class | 3a |
| Thread Diameter | 0.312 |
| Thread Direction | Right-hand |
| Thread Length | 0.874 inches minimum and 0.934 inches maximum |
| Thread Qty | 24 |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series Designator | UNJF |
| Thread Size | 1/4 |
| Width Between Flats | 0.375 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- MS9887-13
- MS9887-14
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS9887-13. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error