nuts › plain slotted hexagon nuts
AN320C3
Aeronautical Standard Plain Slotted Hexagon Nut
Description
Castellated Nut
Specifications
| Bearing Surface Finish | 125.0 microinches |
|---|---|
| Bearing Surface Type | Chamfered or washer faced |
| Cotter Pin Size | AN380-2-2 |
| Material | CRES |
| NIIN | 00-264-1240 |
| NSN | 5310-00-264-1240 |
| Nut Height | Between 0.172 inches and 0.203 inches |
| Nut Style | Hexagon slotted |
| Surface Treatment | Passivate |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series | Unf (fine thread) |
| Thread Size | 0.190, 10-32 |
| Type | Stainless Steel |
| Weight | 0.003 lb |
| Width Across Flats | Between 0.365 inches and 0.377 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 AN320C3. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error