nuts › self-locking hexagon nuts
MS21045C06
Military Standard Locking Hexagon Nut Self
Description
Nut
Specifications
| Bearing Surface Finish | 125.0 microinches |
|---|---|
| Bearing Surface Type | Chamfered or washer faced |
| Countersink Angle | 88.0 degrees nut |
| Locking Feature | Prevailing torque all metal design |
| Lubrication | Dry film lubricant |
| Material | CRES |
| NIIN | 00-059-9264 |
| NSN | 5310-00-059-9264 |
| Nut Height | Between 0.318 inches and 0.469 inches |
| Nut Style | Hexagon |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Qq-p-35 federal specification single treatment response |
| Temperature Rating | 450.0 degrees fahrenheit |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread Qty | 24 |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series | Unjf (fine thread with external controlled root radius) |
| Thread Size | 0.375 |
| Weight | .005 lb |
| Width Across Flats | Between 0.553 inches and 0.564 inches |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
Interchangeable
Parts that share a National Stock Number or are listed as an alternate for MS21045C06 — functionally equivalent.
- MS21045C6 Same NSN 3/8-24 · CRES
Similar parts
Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.
- 22FH624 Commercial 3/8-24 · Steel
- MS20500-624 MS 3/8-24 · CRES
- MS21044-C6 MS 3/8-24 · CRES
- MS21044B6 MS 3/8-24 · Copper
- MS21044C6 MS 3/8-24 · CRES
- MS21044N6 MS 3/8-24 · Steel
- MS21045-6 MS 3/8-24 · Steel
- MS21045-6S MS 3/8-24 · Steel
- MS21046C6E MS 3/8-24 · Steel
Looking for a specific part? Use the cross-reference lookup.
Catalog data updated 2026-07-05. Report a data error