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MS21045-6S
Military Standard Locking Hexagon Nut Self
Description
Thread Size: 3/8", Nut Height: 3/8", Head Width: 1/2", MS21045 series 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 | Soluble lubricant |
| Material | Steel |
| Nut Height | Between 0.318 inches and 0.469 inches |
| Nut Style | Hexagon |
| Special Features | Segmented beam lock |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Cl3 federal specification single treatment response qq-p-416 ty2 |
| 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 |
| 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
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
- MS21045C06 MS 3/8-24 · CRES
- MS21045C6 MS 3/8-24 · CRES
- MS21046C6E MS 3/8-24 · Steel
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Catalog data updated 2026-07-05. Report a data error