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MS51988-1
Military Standard Locking Extended Washer Nut Self
Description
Self-Locking Extended Washer Nut
Specifications
| Locking Feature | Prevailing torque all metal design |
|---|---|
| Material | Steel |
| Nut Style | Hexagon |
| Overall Height | 0.244 inches maximum |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416,ty 2,cl 3 fed spec single treatment response |
| Thread Class | 2b |
| Thread Direction | Right-hand |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series | UNC |
| Thread Size | 0.190 |
| Washer Outside Diameter | 0.480 inches minimum and 0.500 inches maximum |
| Washer Thickness | 0.020 inches minimum and 0.040 inches maximum |
| Width Across Flats | 0.375 |
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS51988-1. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error