nuts › plain hexagon nuts
AN315C5R
Aeronautical Standard Plain Hexagon Nut
Description
Plain Nut
Specifications
| Bearing Surface Type | Chamfered or washer faced |
|---|---|
| Countersink Angle | 109.0 degrees minimum nut and 111.0 degrees maximum nut |
| Material | Steel |
| Material Specification | 66 fed std single material response |
| NIIN | 00-268-6025 |
| NSN | 5310-00-268-6025 |
| Nut Height | 0.219 inches minimum and 0.250 inches maximum |
| Nut Style | Hexagon |
| Surface Treatment | Passivate |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread Qty | 24 |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series | UNF |
| Thread Size | 0.312 |
| Weight | .005 lb |
| Width Across Flats | 0.490 inches minimum and 0.502 inches maximum |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
Similar parts
Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.
- AN315-5L AN 5/16-24 · Steel
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Catalog data updated 2026-07-05. Report a data error