nuts › locknuts
MS21046C5E
Military Standard Locknut
Description
Nuts
Specifications
| Bearing Surface Type | Chamfered or washer faced |
|---|---|
| Locking Feature | Prevailing torque all metal design |
| Material | Steel |
| Nut Height | 0.271 inches minimum and 0.360 inches maximum |
| Nut Style | Hexagon |
| Precious Material | Silver |
| Special Features | Elliptical lock |
| Surface Treatment | Silver |
| Temperature Rating | 800.0 deg fahrenheit |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread Qty | 24 |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series | UNJF |
| Thread Size | 0.312 |
| Width Across Flats | 0.492 inches minimum and 0.502 inches maximum |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- MS21046C5E
- MS21046C5S
- MS21046C6S
- MS21046C12
Cross-reference
Similar parts
Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.
- NAS1021A5 NAS 5/16-24 · Steel
Looking for a specific part? Use the cross-reference lookup.
Catalog data updated 2026-07-05. Report a data error