bolts › clevis bolts
AN25-24
Aeronautical Standard Bolt
Description
Clevis bolts have a slotted brazier type head. They are special-purpose bolts for use where a large shearing stress occurs (never in tension). Manufactured and cadmium plated in same manner as AN3 - AN8 aircraft bolts. Minimum tensile strength 125,000 PSI. Available with drilled or undrilled shank. Add letter "A" after dash number for undrilled shank. Prices fluctuate on clevis bolts. Note: AN25-25 has a 4 week lead time
Specifications
| 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 | 1.376 inches nominal first hole |
| Fastener Length | 1.547 |
| Grip | 1 3/16 |
| 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 35/64 |
| 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 |
| 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 | 0.312 |
| 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 |
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Catalog data updated 2026-07-05. Report a data error