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AN320-6
Aeronautical Standard Plain Slotted Hexagon Nut
Description
Castellated Nut
Specifications
| Alternate Part Number | 404-395 |
|---|---|
| Bearing Surface Finish | 125.0 microinches |
| Bearing Surface Type | Chamfered or washer faced |
| Cotter Pin Size | AN380-3-3 |
| Dimension A | 0.563 in |
| Dimension A Tolerance | +0.002 in |
| Dimension B | 0.656 in |
| Dimension H | 0.219 in |
| Industry Standards/Certification | AN320 |
| Material | Steel |
| Minimum Ultimate Tensile Strength (Steel) | 5050 lb |
| NIIN | 00-176-8110 |
| NSN | 5310-00-176-8110 |
| Nut Height | Between 0.203 inches and 0.234 inches |
| 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 | 24 |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series | Unf (fine thread) |
| Thread Size | 0.375, 3/8-24 |
| Thread T | 0.3750-24 |
| Type | Cad Plated, Shear Castellated |
| Weight | 0.01 lb |
| Width Across Flats | Between 0.553 inches and 0.565 inches |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
Similar parts
Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.
- AN320C6 AN 3/8-24 · CRES
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Catalog data updated 2026-07-05. Report a data error