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MS9555-10
Military Standard Machine Screw
Description
Fastener Length: 3/4", Thread: 8-36, Thread Length: 39/64
Specifications
| Bearing Surface Of Head Surface Finish | 32.0 microinches |
|---|---|
| Extended Washer Diameter | 0.302 inches minimum and 0.322 inches maximum |
| Extended Washer Thickness | 0.030 inches minimum |
| Fastener Length | 0.740 inches minimum and 0.760 inches maximum |
| Hardness Rating | 24.0 rockwell c minimum and 35.0 rockwell c maximum |
| Head Height | 0.220 inches minimum and 0.240 inches maximum |
| Head Style | Double hexagon w/ hole |
| Length | 3/4 |
| Material | Iron |
| Min. Tensile Strength (psi) | 130000 pounds per square inch |
| Screw Material | Iron alloy 660 |
| Screw Material Specification | Ams 5731 assn std single material response |
| Special Features | Without internal drive |
| Thread Class | 3a |
| Thread Diameter | 0.164 |
| Thread Direction | Right-hand |
| Thread Length | 0.608 |
| Thread Qty | 36 |
| Thread Qty Per Inch (tpi) | 36 |
| Thread Series Designator | UNJF |
| Thread Size | 8 |
| Thread Surface Finish | 32.0 microinches |
| Width Between Flats | 0.208 inches minimum and 0.228 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 MS9555-10. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error