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MS21042L5
Military Standard Locking Extended Washer Nut Self
Description
Nut
Specifications
| Hardness Rating | 49.0 rockwell c |
|---|---|
| Locking Feature | Prevailing torque all metal design |
| Lubrication | Dry film lubricant |
| Material | Steel |
| NIIN | 00-807-1476 |
| NSN | 5310-00-807-1476 |
| Nut Style | Hexagon |
| Overall Height | Between 0.251 inches and 0.266 inches |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Class 3 federal specification single treatment response type 2 qq-p-416 |
| 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 | 0.312 |
| Washer Outside Diameter | 0.520 |
| Washer Thickness | 0.023 |
| Weight | .005 lb |
| Width Across Flats | Between 0.367 inches and 0.378 inches |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- MS21042L02
- MS21042L3
- MS21042L04
- MS21042L5
- MS21042L6
- MS21042L08
Cross-reference
Interchangeable
Parts that share a National Stock Number or are listed as an alternate for MS21042L5 — functionally equivalent.
- NAS679A5 Same NSN 5/16-24 · Steel
Looking for a specific part? Use the cross-reference lookup.
Catalog data updated 2026-07-05. Report a data error