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AN320-3
Aeronautical Standard Plain Castellated Hexagon Nut
Description
Castellated Nut
Specifications
| Alternate Part Number | 404-392 |
|---|---|
| Bearing Surface Finish | 125.0 microinches |
| Bearing Surface Type | Washer faced |
| Cotter Pin Size | AN380-2-2 |
| Dimension A | 0.375 in |
| Dimension A Tolerance | +0.002 in |
| Dimension B | 0.438 in |
| Dimension H | 0.188 in |
| Industry Standards/Certification | AN320 |
| Material | Steel |
| Minimum Ultimate Tensile Strength (Steel) | 1105 lb |
| NIIN | 00-285-2177 |
| NSN | 5310-00-285-2177 |
| Nut Height | 0.188 |
| Nut Style | Hexagon slotted |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Cl 3 federal specification single treatment response type 2 qq-p-416 |
| 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 |
| Thread T | 0.1900-32 |
| Type | Cad Plated, Shear Castellated |
| Weight | 0.0036 lb |
| Width Across Flats | Between 0.365 inches and 0.377 inches |
Cross-reference
No interchangeable or dimensionally similar parts are on record for AN320-3. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error