bolts › machine bolts
AN3C4
Aeronautical Standard Machine Bolt
Description
Airframe Bolt; Drilled
Specifications
| Country of Origin | USA |
|---|---|
| Distance From Head Largest Bearing Surface To Shank Hole Center | 0.375 inches first hole and 0.406 inches first hole |
| Fastener Length | Between 0.516 inches and 0.562 inches |
| Features Provided | Finished head |
| Grip Length | Between 0.109 inches and 0.141 inches |
| Hardness Rating | 26.0 rockwell c and 32.0 rockwell c |
| Head Height | Between 0.109 inches and 0.141 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 |
| NIIN | 00-145-7069 |
| NSN | 5306-00-145-7069 |
| Shank Unthreaded Hole Diameter | 0.070 inches first hole and 0.080 inches first hole |
| Surface Treatment | Passivate |
| Thread Class | 3a |
| Thread Diameter | 0.190 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.374 inches and 0.453 inches |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series | UNF |
| Thread Series Designator | Unf (fine thread) |
| Thread Size | 10 |
| Weight | .005 lb |
| Width Between Flats | Between 0.365 inches and 0.377 inches |
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.
- NAS501-3-4A NAS #10-32 · 9/16 in · Hexagon Head · CRES
- AN3DD4A AN #10-32 · 9/16 in · Hexagon Head · Aluminum
Looking for a specific part? Use the cross-reference lookup.
Catalog data updated 2026-07-05. Report a data error