nuts › plain hexagon nuts
MS9553-06
Military Standard Nut
Description
Thread Size: 1/2", Nut Height: 1/4", Head Width: 3/4"
Specifications
| Bearing Surface Finish | 125.0 microinches |
|---|---|
| Bearing Surface Type | Chamfered |
| Countersink Angle | 110.0 degrees nominal both ends |
| Material | CRES |
| Material Specification | Ams 5639 assn std single material response |
| Nut Height | 0.287 inches minimum and 0.307 inches maximum |
| Nut Style | Hexagon |
| Surface Treatment | Passivate |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread Qty | 18 |
| Thread Qty Per Inch (tpi) | 18 |
| Thread Series | UNJF |
| Thread Size | 0.562 |
| Width Across Flats | 0.803 inches minimum and 0.814 inches maximum |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- MS9553-06
- MS9553-08
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS9553-06. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error