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AN6C55
Aeronautical Standard Bolt
Description
Fastener Length: 5-47/64", Thread: 3/8-20, Thread Length: 11/16"
Specifications
| Distance From Head Largest Bearing Surface To Shank Hole Center | 5.484 inches minimum first hole and 5.516 inches maximum first hole |
|---|---|
| Fastener Length | 5.687 inches minimum and 5.734 inches maximum |
| Features Provided | Finished head |
| Grip Length | 5.046 inches minimum and 5.078 inches maximum |
| Hardness Rating | 26.0 rockwell c minimum and 32.0 rockwell c maximum |
| Head Height | 0.203 inches minimum and 0.235 inches maximum |
| Head Style | Hexagon Head |
| Length | 5 47/64 |
| Material | Steel |
| Material Specification | Mil-s-18732 mil spec single material response |
| Min. Tensile Strength (psi) | 125000 pounds per square inch |
| Shank Unthreaded Hole Diameter | 0.106 inches minimum first hole and 0.116 inches maximum first hole |
| Surface Treatment | Passivate |
| Thread Class | 3a |
| Thread Diameter | 0.375 |
| Thread Direction | Right-hand |
| Thread Length | 0.609 inches minimum and 0.688 inches maximum |
| Thread Qty | 20 |
| Thread Qty Per Inch (tpi) | 20 |
| Thread Series Designator | UNF |
| Thread Size | 3/8 |
| Width Between Flats | 0.553 inches minimum and 0.565 inches maximum |
Cross-reference
No interchangeable or dimensionally similar parts are on record for AN6C55. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error