nuts › plain extended hexagon washer nuts
MS51988-11
Military Standard Plain Extended Hexagon Washer Nut
Description
MS51988-11
Specifications
| Material | Steel |
|---|---|
| Nut Style | Hexagon |
| Overall Height | 0.51 |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Class 3 federal specification single treatment response type 2 qq-p-416 |
| Thread Class | 2b |
| Thread Direction | Right-hand |
| Thread Qty Per Inch (tpi) | 13 |
| Thread Series | Unc (coarse thread) |
| Thread Size | 0.50 |
| Washer Outside Diameter | Between 1.000 inches and 1.031 inches |
| Washer Thickness | Between 0.070 inches and 0.090 inches |
| Width Across Flats | Between 0.736 inches and 0.752 inches |
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS51988-11. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error