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AN24-20
Aeronautical Standard Clevis Bolt
Description
Clevis Bolt
Specifications
| Country of Origin | USA |
|---|---|
| Departure From Cited Document | Thread t per mil-s-7742 except major diameter is not to exceed max allow shank bolt dia |
| Distance From Head Largest Bearing Surface To Shank Hole Center | 1.126 inches first hole |
| Drilling | Drilled Head |
| Fastener Length | Between 1.271 inches and 1.291 inches |
| Grip | 15/16 in |
| Groove Diameter | 0.196 |
| Hardness Rating | 26.0 rockwell c and 32.0 rockwell c |
| Head Diameter | 0.500 |
| Head Height | 0.125 |
| Head Style | Button |
| Industry Standards/Certification | AN24 |
| Internal Drive Style | Slot |
| Length | 1 9/32 in |
| Material | Steel |
| Material Specification | Mil-b-6812 military specification all material responses |
| Min. Tensile Strength (psi) | 125000 pounds per square inch |
| NIIN | 00-156-2704 |
| NSN | 5306-00-156-2704 |
| Shank Unthreaded Hole Diameter | 0.076 inches first hole |
| Single Shear Strength | 3680 pounds per square inch |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416 type 2 cl 3 federal specification single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.323 inches and 0.363 inches |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series | UNF |
| Thread Series Designator | Unf (fine thread) |
| Thread Size | 1/4-28 |
| Weight | 0.021 lb |
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Catalog data updated 2026-07-05. Report a data error