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AN5CH4A
Aeronautical Standard Machine Bolt
Description
Airframe Bolt; Drilled Head
Specifications
| Country of Origin | USA |
|---|---|
| Fastener Length | 0.594 |
| Features Provided | Finished head |
| Grip Length | 0.062 |
| Head Height | Between 0.172 inches and 0.204 inches |
| Head Style | Hexagon Head |
| Hole Configuration Style | Hexagon flats |
| Hole Diameter | 0.070 |
| Hole Quantity | 1 |
| Hole Type | Drilled |
| Material | CRES |
| Material Specification | Qq-s-770 federal specification single material response |
| Min. Tensile Strength (psi) | 125000 pounds per square inch |
| NIIN | 00-180-2782 |
| NSN | 5306-00-180-2782 |
| Surface Treatment | Passivate |
| Thread Class | 3a |
| Thread Diameter | 0.312 |
| Thread Direction | Right-hand |
| Thread Length | 0.532 |
| Thread Qty | 24 |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series | UNF |
| Thread Series Designator | Unf (fine thread) |
| Thread Size | 1/4 |
| Weight | 0.02 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.
- AN5H4A AN 1/4-24 · 19/32 in · Hexagon Head · Steel
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Catalog data updated 2026-07-05. Report a data error