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AN3CH7A
Aeronautical Standard Machine Bolt
Description
Airframe Bolt, Drilled Head
Specifications
| Country of Origin | USA |
|---|---|
| Fastener Length | Between 0.891 inches and 0.938 inches |
| Features Provided | Finished head |
| Grip Diameter | Between 0.186 inches and 0.189 inches |
| Grip Length | Between 0.484 inches and 0.516 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 | 00-182-1856 |
| NSN | 5306-00-182-1856 |
| Surface Treatment | Passivate |
| Thread Class | 3a |
| Thread Diameter | 0.190 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.375 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 | 0.01 lb |
| Width Between Flats | Between 0.365 inches and 0.377 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 AN3CH7A. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error