nuts › plain hexagon nuts
MS21042L4
Military Standard Locking Extended Washer Nut Self
Description
Nut
Specifications
| Alternate Part Number | 130909N32 |
|---|---|
| Criticality Code Justification | Feat |
| Hardness Rating | 49 rockwell c |
| Locking Feature | Prevailing torque all metal design |
| Lubrication | Dry film lubricant |
| Material | Steel |
| NIIN | 00-807-1475 |
| NSN | 5310-00-807-1475 |
| Nut Style | Hexagon |
| Overall Height | Between 0.204 inches and 0.219 inches |
| Pre-Packaged Bag Quantity | 100 |
| Special Features | Weapons system essential |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Class 3 federal specification single treatment response type 2 qq-p-416 |
| Temperature Rating | 450 degrees fahrenheit |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series | Unjf (fine thread with external controlled root radius) |
| Thread Size | 0.25 |
| Washer Outside Diameter | 0.42 |
| Washer Thickness | 0.019 |
| Weight | 0.0033 lb |
| Width Across Flats | Between 0.304 inches and 0.316 inches |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- MS21042L4
- MS21042L10
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS21042L4. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error