bolts › close tolerance bolts
AN174-21
Aeronautical Standard Close Tolerance Bolt
Description
Close Tolerance Bolt
Specifications
| Country of Origin | USA |
|---|---|
| Drilling | Drilled Head |
| Grip | 1 11/16 in |
| Head Type | Hexagon |
| Industry Standards/Certification | AN174 |
| Length | 2 5/32 in |
| NIIN | 00-180-1740 |
| NSN | 5306-00-180-1740 |
| Thread Size | 0.2500-28 |
| Weight | 0.04 lb |
Cross-reference
No interchangeable or dimensionally similar parts are on record for AN174-21. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error