nuts › plain castellated hexagon nuts
AN310-16
Tension Castle Nut
Description
Fabricated from steel and cadmium plated per QQ-P-416A, Type II, Class 3. AN310 castle nuts are used with drilled-shank bolts, clevis bolts, eye bolts and studs. The slots in the nut accommodate a cotter pin for safety purposes. The thinner AN320 castellated shear nut, with half the tensile rating of the AN310 nut, is used with clevis bolts and threaded taper pins which are subject to shearing stress only. Less 20% for quantity 100/Part No
Specifications
| Bearing Surface Type | Washer faced |
|---|---|
| Countersink Angle | 109.0 degrees nut and 111.0 degrees nut |
| Hardness Rating | Between 80.0 rockwell b and 32.0 rockwell c |
| Material | Steel |
| Nondefinitive Specification/Std Data | 5 type and a grade |
| Nut Height | Between 0.984 inches and 1.016 inches |
| Nut Style | Hexagon castellated |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Cl 2 federal specification single treatment response type 2 qq-p-416 |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread Qty | 14 |
| Thread Qty Per Inch (tpi) | 14 |
| Thread Series | Unf (fine thread) |
| Thread Size | 1-14, 1.000 |
| Type | Cad Plated |
| Width Across Flats | Between 1.481 inches and 1.502 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 AN310-16. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error