nuts › plain castellated hexagon nuts
AN315C7R
Aeronautical Standard Plain Castellated Hexagon Nut
Description
Thread: 7/16-20, Thread Size: 1/2", Nut Height: 3/8", Head Width: 5/8
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 |
| Nut Height | Between 0.312 inches and 0.344 inches |
| Nut Style | Hexagon |
| Surface Treatment | Passivate |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread Qty | 20 |
| Thread Qty Per Inch (tpi) | 20 |
| Thread Series | Unf (fine thread) |
| Thread Size | 0.438 |
| Width Across Flats | Between 0.614 inches and 0.627 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 AN315C7R. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error