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MS9559-10
Military Standard Machine Bolt
Description
Fastener Length: 1", Thread: 3/8-24, Thread Length: 7/8", drilled head, MS9559 series bolt
Specifications
| Country of Origin | USA |
|---|---|
| Extended Washer Diameter | 0.562 |
| Extended Washer Thickness | 0.090 |
| Fastener Length | 1.000 |
| Grip Length | Between 0.088 inches and 0.108 inches |
| Hardness Rating | 24.0 rockwell c and 35.0 rockwell c |
| Head Height | 0.388 |
| Head Style | Double hexagon w/hole |
| Material | Iron |
| Material Specification | Ams 5731 assn standard 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 | 0.375 |
| Thread Direction | Right-hand |
| Thread Length | 0.902 |
| Thread Qty | 24 |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series Designator | Unjf (fine thread with external controlled root radius) |
| Thread Size | 3/8 |
| Weight | .005 lb |
| Width Between Flats | 0.438 |
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 MS9559-10. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error