nuts › plain castellated hexagon nuts
AN316C9R
Aeronautical Standard Plain Castellated Hexagon Nut
Description
Thread Size: 1/2", Nut Height: 1/4", Head Width: 7/8", right hand
Specifications
| Bearing Surface Type | Chamfered |
|---|---|
| Material | Steel |
| Material Specification | 66 federal standard all material responses |
| Nondefinitive Specification/Std Data | 2 type |
| Nut Height | 0.281 |
| Nut Style | Hexagon |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Qq-p-35 federal specification single treatment response |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread Qty Per Inch (tpi) | 18 |
| Thread Series | Unf (fine thread) |
| Thread Size | 0.562 |
| Width Across Flats | Between 0.863 inches and 0.877 inches |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
No interchangeable or dimensionally similar parts are on record for AN316C9R. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error