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AN174-16A
Aeronautical Standard Close Tolerance Bolt
Description
Close Tolerance Bolt
Specifications
| Country of Origin | USA |
|---|---|
| Drilling | Undrilled Head |
| Fastener Length | 1.765 inches minimum and 1.812 inches maximum |
| Grip | 1 5/16 in |
| Grip Length | 1.296 inches minimum and 1.328 inches maximum |
| Head Height | 0.140 inches minimum and 0.172 inches maximum |
| Head Style | Hexagon Head |
| Head Type | Hexagon |
| Industry Standards/Certification | AN174 |
| Length | 1 13/16, 1 25/32 in |
| Material | Steel |
| NIIN | 01-365-3566 |
| NSN | 5306-01-365-3566 |
| Specification Data | 88044-an174-16a government standard |
| Surface Treatment | Cadmium |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.469 |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNF |
| Thread Size | 0.2500-28, 1/4 |
| Weight | 0.03 lb |
| Width Between Flats | 0.428 inches minimum and 0.440 inches maximum |
Cross-reference
No interchangeable or dimensionally similar parts are on record for AN174-16A. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error