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AN24-21
Aeronautical Standard Clevis Bolt
Description
Clevis Bolt
Specifications
| Country of Origin | USA |
|---|---|
| Distance From Head Largest Bearing Surface To Shank Hole Center | 1.172 inches minimum first hole and 1.204 inches maximum first hole |
| Drilling | Drilled Head |
| Fastener Length | 1.344 |
| Grip | 1 in |
| Groove Diameter | 0.191 inches minimum and 0.201 inches maximum |
| Head Diameter | 0.500 |
| Head Height | 0.125 |
| Head Style | Button |
| Industry Standards/Certification | AN24 |
| Internal Drive Style | Slot |
| Length | 1 11/32 in |
| Material | Steel |
| Material Specification | Mil-s-5626 mil spec 1st material response or mil-s-6049 mil spec 2nd material response or mil-s-6050 mil spec 3rd material response or mil-s-6098 mil spec 4th material response or mil-s-6758 mil spec 5th material response or ams 6300 assn std 6th material response |
| NIIN | 00-151-0523 |
| NSN | 5306-00-151-0523 |
| Shank Unthreaded Hole Diameter | 0.076 inches minimum first hole and 0.086 inches maximum first hole |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416,ty 2 cl 3 fed spec all treatment responses |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.226 inches minimum |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNF |
| Thread Size | 1/4-28 |
| Weight | 0.021 lb |
Cross-reference
No interchangeable or dimensionally similar parts are on record for AN24-21. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error