bolts › machine bolts
MS9558-19
Military Standard Machine Bolt
Description
Fastener Length: 1-7/16", Thread: 1/4-24, Thread Length: 7/8"
Specifications
| Extended Washer Diameter | 0.500 |
|---|---|
| Extended Washer Thickness | 0.070 inches minimum |
| Fastener Length | 1.438 |
| Grip Length | 0.502 inches minimum and 0.562 inches maximum |
| Head Height | 0.348 |
| Head Style | Double hexagon extended washer |
| Length | 1 7/16 |
| Material | Iron |
| Material Specification | Ams 5731 assn std single material response |
| Surface Finish | 125.0 microinches |
| Thread Class | 3a |
| Thread Diameter | 0.312 |
| Thread Direction | Right-hand |
| Thread Length | 0.936 |
| 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.
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS9558-19. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error