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MS51971-2
Military Standard Plain Hexagon Nut
Description
Thread Size: 1/4", Nut Height: 1/4", Head Width: 1/2
Specifications
| Bearing Surface Type | Chamfered or washer faced |
|---|---|
| Iii End Application | Mrap - m-atv w/cs13 pop; mrap - cougar tow; mrap - cougar sabr/tow |
| Material | CRES |
| Material Specification | Fed 66 federal standard single material response |
| Nut Height | Between 0.258 inches and 0.273 inches |
| Nut Style | Hexagon |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Qq-p-35 federal specification single treatment response |
| Thread Class | 2b |
| Thread Direction | Right-hand |
| Thread Qty Per Inch (tpi) | 18 |
| Thread Series | Unc (coarse thread) |
| Thread Size | 0.312 |
| Width Across Flats | Between 0.4890 inches and 0.5000 inches |
Other sizes
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Catalog data updated 2026-07-05. Report a data error