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AN8C56A
Aeronautical Standard Machine Bolt
Description
Fastener Length: 5-7/8", Thread: 1/2-20, Thread Length: 53/64
Specifications
| Fastener Length | Between 5.828 inches and 5.875 inches |
|---|---|
| Features Provided | Finished head |
| Grip Length | Between 5.047 inches and 5.078 inches |
| Hardness Rating | 26.0 rockwell c and 32.0 rockwell c |
| Head Height | Between 0.265 inches and 0.297 inches |
| Head Style | Hexagon Head |
| Material | Steel |
| Material Specification | Mil-s-18732 military specification single material response |
| Min. Tensile Strength (psi) | 125000 pounds per square inch |
| Surface Treatment | Passivate |
| Thread Class | 3a |
| Thread Diameter | 0.500 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.750 inches and 0.828 inches |
| Thread Qty | 20 |
| Thread Qty Per Inch (tpi) | 20 |
| Thread Series | UNF |
| Thread Series Designator | Unf (fine thread) |
| Thread Size | 1/2 |
| Width Between Flats | Between 0.740 inches and 0.752 inches |
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 AN8C56A. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error