bolts › machine bolts
MS9575-12
Military Standard Machine Bolt
Description
Fastener Length: 31/32", Hole Diameter: 1/16", Thread: 1/4-28, Thread Length: 49/64
Specifications
| Extended Washer Diameter | 0.438 |
|---|---|
| Extended Washer Thickness | 0.060 inches minimum |
| Fastener Length | 0.977 |
| Head Height | 0.300 |
| Head Style | Double hexagon w/hole |
| Hole Configuration Style | Double hexagon longitudinal hole |
| Hole Diameter | 0.070 |
| Hole Quantity | 4 |
| Hole Type | Drilled |
| Length | 31/32 |
| Material | Iron |
| Material Specification | Ams 5731 assn std single material response |
| Precious Material | Silver |
| Precious Material And Location | Thread pit dia silver |
| Surface Treatment | Silver |
| Surface Treatment Specification | Ams 2411 assn std single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.773 |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNJF |
| Thread Size | 1/4 |
| Width Between Flats | 0.348 inches minimum |
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 MS9575-12. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error