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AN315-4L
Aeronautical Standard Plain Hexagon Nut
Description
Plain Nut
Specifications
| Approximate Dimension B | 1/2 in |
|---|---|
| Bearing Surface Finish | 125.0 microinches |
| Bearing Surface Type | Chamfered or washer faced |
| Dimension A | 0.438 in |
| Dimension A Tolerance | +0.002 in |
| Dimension H | 3/16 in |
| Industry Standards/Certification | AN315 |
| Material | Steel |
| NIIN | 00-167-1332 |
| NSN | 5310-00-167-1332 |
| Nut Height | 0.172 inches minimum and 0.204 inches maximum |
| Nut Style | Hexagon |
| Shape | Hexagon |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Qq-p-416,ty 2,cl 3 fed spec single treatment response |
| Tensile Strength | 4080 lb |
| Thread Class | 3b |
| Thread Direction | Left-hand |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series | UNF |
| Thread Size | 0.250, 1/4-28 |
| Type | Plain |
| Weight | 0.01 lb |
| Width Across Flats | 0.428 inches minimum and 0.440 inches maximum |
Other sizes
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Catalog data updated 2026-07-05. Report a data error