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MS21055L7
Military Standard Corner Locknut Plate
Description
Thread Size: 7/16", Nut Length: 1-3/32", Nut Height: 25/64"
Specifications
| Counterbore Diameter | 0.442 inches minimum nut |
|---|---|
| Distance From Aperture Center To Mounting Hole Center | 0.557 inches minimum and 0.567 inches maximum |
| Hardness Rating | 49.0 rockwell c maximum |
| Locking Feature | Prevailing torque all metal design |
| Lubrication | Dry film lubricant |
| Material | Steel |
| Mounting Hole Arrangement Style | 2 holes |
| Mounting Hole Diameter | 0.161 inches minimum and 0.166 inches maximum |
| Nut Counterbore Depth | 0.062 inches minimum nut |
| Nut Height | 0.390 inches maximum |
| Nut Length | 1.101 inches maximum |
| Nut Mounting Provision | Straight holes |
| Nut Style | Plate |
| Plate Thickness | 0.085 inches maximum |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Qq-p-416 fed spec single treatment response |
| Temperature Rating | 450.0 deg fahrenheit maximum |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread Qty | 20 |
| Thread Qty Per Inch (tpi) | 20 |
| Thread Series | UNJF |
| Thread Size | 0.438 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- MS21055L6
- MS21055L7
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS21055L7. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error