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AN174-32A
Aeronautical Standard Close Tolerance Bolt
Description
Close Tolerance Bolt
Specifications
| Country of Origin | USA |
|---|---|
| Drilling | Undrilled Head |
| Fastener Length | 3.281 |
| Grip | 2 13/16 in |
| Head Height | Between 0.14 inches and 0.172 inches |
| Head Type | Hexagon |
| Industry Standards/Certification | AN174 |
| Length | 3 9/32 in |
| Material | Steel |
| Min. Tensile Strength (psi) | 125000 pounds per square inch |
| NIIN | 00-180-2764 |
| NSN | 5306-00-180-2764 |
| Surface Finish | 63 microinches bearing surface of head, 63 microinches grip |
| Thread Class | 3a |
| Thread Length | 0.469 |
| Thread Size | 0.2500-28 |
| Weight | 0.05 lb |
Cross-reference
No interchangeable or dimensionally similar parts are on record for AN174-32A. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error