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AN5C11
Aeronautical Standard Machine Bolt
Description
Airframe Bolt, Drilled
Specifications
| Country of Origin | USA |
|---|---|
| Fastener Length | Between 1.203 inches and 1.250 inches |
| Features Provided | Finished head |
| Grip Length | Between 0.672 inches and 0.703 inches |
| Hardness Rating | 26.0 rockwell c and 32.0 rockwell c |
| Head Height | Between 0.172 inches and 0.204 inches |
| Head Style | Hexagon Head |
| Length | 1 1/4 |
| Material | Steel |
| Material Specification | Mil-s-18732 military specification single material response |
| Min. Tensile Strength (psi) | 125000 pounds per square inch |
| NIIN | 00-151-2437 |
| NSN | 5306-00-151-2437 |
| Shank Unthreaded Hole Diameter | 0.076 inches first hole and 0.086 inches first hole |
| Surface Treatment | Passivate |
| Thread Class | 3a |
| Thread Diameter | 0.312 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.50 inches and 0.578 inches |
| Thread Qty | 24 |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series Designator | Unf (fine thread) |
| Thread Size | 1/4 |
| Weight | 0.035 lb |
| Width Between Flats | Between 0.490 inches and 0.502 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.
- AN5C11A AN 1/4-24 · 0.073 in · Hexagon Head · Steel
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Catalog data updated 2026-07-05. Report a data error