bolts › clevis bolts
AN25-20
Aeronautical Standard Clevis Bolt
Description
Clevis Bolt
Specifications
| Country of Origin | USA |
|---|---|
| Departure From Cited Document | Thread t per mil-s-7742 except major dia is not to exceed max allow shank bolt dia |
| Distance From Head Largest Bearing Surface To Shank Hole Center | 1.126 inches nominal first hole |
| Fastener Length | 1.297 |
| Groove Diameter | 0.250 |
| Head Diameter | 0.609 inches minimum and 0.641 inches maximum |
| Head Height | 0.140 inches minimum and 0.172 inches maximum |
| Head Style | Button |
| Internal Drive Style | Slot |
| Length | 1 19/64 |
| Material | Steel |
| Material Specification | Mil-s-6049 mil spec 1st material response or mil-s-6050 mil spec 2nd material response or mil-s-6098 mil spec 3rd material response or mil-s-5626 mil spec 4th material response or mil-s-6758 mil spec 5th material response or mil-s-8695 mil spec 6th material response |
| NIIN | 00-144-3856 |
| NSN | 5306-00-144-3856 |
| Shank Unthreaded Hole Diameter | 0.076 inches minimum first hole and 0.086 inches maximum first hole |
| Single Shear Strength | 5750 pounds per square inch |
| 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 | 0.312 |
| Thread Direction | Right-hand |
| Thread Length | 0.297 inches minimum |
| Thread Qty | 24 |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series Designator | UNF |
| Thread Size | 1/4 |
| Weight | .005 lb |
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.
Looking for a specific part? Use the cross-reference lookup.
Catalog data updated 2026-07-05. Report a data error