nuts › self-locking hexagon nuts
MS21045L3
Military Standard Locking Hexagon Nut Self
Description
Nut
Specifications
| Alternate Part Number | 28FH-1032 |
|---|---|
| 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 | Steel |
| Nut Height | 0.208 mils and 0.250 centimeters |
| Nut Style | Hexagon |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Qq-p-416 federal specification single treatment response |
| Temperature Rating | 450.0 degrees fahrenheit |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series | Unjf (fine thread with external controlled root radius) |
| Thread Size | 0.190 |
| Weight | 0.0049 lb |
| Width Across Flats | Between 0.367 inches and 0.376 inches |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS21045L3. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error