bolts › machine bolts
MS9503-06
Military Standard Machine Bolt
Description
Fastener Length: 3/4", Hole Diameter: 1/16", Thread: 3/8-24, Thread Length: 43/64
Specifications
| Fastener Length | 0.740 inches minimum and 0.760 inches maximum |
|---|---|
| Features Provided | Finished head |
| Grip Length | 0.088 inches minimum and 0.108 inches maximum |
| Hardness Rating | 24.0 rockwell c minimum and 35.0 rockwell c maximum |
| Head Height | 0.209 inches minimum and 0.229 inches maximum |
| Head Style | Hexagon Head |
| Hole Configuration Style | Hexagon flats |
| Hole Diameter | 0.060 inches minimum and 0.070 inches maximum |
| Hole Quantity | 1 |
| Hole Type | Drilled |
| Length | 3/4 |
| Material | Iron |
| Material Specification | Ams 5731 assn std 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 | 0.632 inches minimum and 0.672 inches maximum |
| Thread Qty | 24 |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series Designator | UNJF |
| Thread Size | 3/8 |
| Width Between Flats | 0.553 inches minimum and 0.564 inches maximum |
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 MS9503-06. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error