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AN7C40A
Aeronautical Standard Bolt
Description
Fastener Length: 4-1/8", Thread: 7/16-20, Thread Length: 45/64"
Specifications
| Fastener Length | 4.078 inches minimum and 4.125 inches maximum |
|---|---|
| Features Provided | Finished head |
| Grip Length | 3.422 inches minimum and 3.453 inches maximum |
| Hardness Rating | 26.0 rockwell c minimum and 32.0 rockwell c maximum |
| Head Height | 0.234 inches minimum and 0.266 inches maximum |
| Head Style | Hexagon Head |
| Length | 4 1/8 |
| Material | Steel |
| Material Specification | Mil-s-18732 mil spec single material response |
| Min. Tensile Strength (psi) | 125000 pounds per square inch |
| Surface Treatment | Passivate |
| Thread Class | 3a |
| Thread Diameter | 0.438 |
| Thread Direction | Right-hand |
| Thread Length | 0.625 inches minimum and 0.703 inches maximum |
| Thread Qty | 20 |
| Thread Qty Per Inch (tpi) | 20 |
| Thread Series Designator | UNF |
| Thread Size | 7/16 |
| Width Between Flats | 0.615 inches minimum and 0.627 inches maximum |
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 AN7C40A. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error