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MS51922-9
Military Standard Locking Hexagon Nut Self
Description
MS 51922-9 Self-Locking Hexagon Nut Regular Pattern
Specifications
| Bearing Surface Type | Chamfered or washer faced |
|---|---|
| Finish | Cadmium ll |
| Hexagon Size - Across Flats | 1/2 |
| Hexagon Size - Thick | .359 (Max.) |
| Locking Device | All-Metal Insert |
| Locking Feature | Prevailing torque with nonmetallic insert |
| Lubrication | Dry film lubricant |
| Material | Plastic |
| Material Specification | Sae j995 gr 5 assn std single material response nut |
| Nut Height | 0.329 inches minimum and 0.359 inches maximum |
| Nut Style | Hexagon |
| Size | 5/16-18 |
| Surface Treatment | Cadmium except insert and chromate except insert |
| Surface Treatment Specification | Qq-p-416,type 2,class 3 fed spec single treatment response except insert |
| Temperature Rating | 250.0 deg fahrenheit |
| Thread Class | 2b |
| Thread Direction | Right-hand |
| Thread Qty Per Inch (tpi) | 18 |
| Thread Series | UNC |
| Thread Size | 0.312 |
| Weight | .005 lb |
| Width Across Flats | 0.489 inches minimum and 0.502 inches maximum |
Cross-reference
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Catalog data updated 2026-07-05. Report a data error