nuts › plain hexagon nuts
AN315C4R
Aeronautical Standard Plain Hexagon Nut
Description
Plain Nut
Specifications
| Bearing Surface Type | Chamfered or washer faced |
|---|---|
| Countersink Angle | 109.0 degrees nut and 111.0 degrees nut |
| Material | CRES |
| Material Specification | 66 federal standard single material response |
| NIIN | 00-268-6023 |
| NSN | 5310-00-268-6023 |
| Nut Height | Between 0.172 inches and 0.203 inches |
| Nut Style | Hexagon |
| Surface Treatment | Passivate |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series | Unf (fine thread) |
| Thread Size | 0.250 |
| Weight | 0.01 lb |
| Width Across Flats | Between 0.428 inches and 0.440 inches |
Other sizes
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Catalog data updated 2026-07-05. Report a data error