screws › machine screws
MS9555-07
Military Standard Machine Screw
Description
Fastener Length: 9/16", Thread: 8-36, Thread Length: 31/64
Specifications
| Extended Washer Diameter | Between 0.302 inches and 0.322 inches |
|---|---|
| Extended Washer Thickness | 0.030 |
| Fastener Length | Between 0.552 inches and 0.572 inches |
| Hardness Rating | Between 24.0 rockwell c and 35.0 rockwell c |
| Head Height | Between 0.22 inches and 0.24 inches |
| Head Style | Double hexagon with hole |
| Material | Iron |
| Min. Tensile Strength (psi) | 130000 pounds per square inch |
| Screw Material | Iron alloy 660 |
| Screw Material Specification | Ams 5731 assn standard single material response |
| Thread Class | 3a |
| Thread Diameter | 0.164 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.470 inches and 0.510 inches |
| Thread Qty | 36 |
| Thread Qty Per Inch (tpi) | 36 |
| Thread Series | UNJF |
| Thread Series Designator | Unjf (fine thread with external controlled root radius) |
| Thread Size | 8 |
| Width Between Flats | 0.219 |
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 MS9555-07. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error