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AN176-12A
Aeronautical Standard Close Tolerance Bolt
Description
Close Tolerance Bolt
Specifications
| Country of Origin | USA |
|---|---|
| Drilling | Undrilled Head |
| Fastener Length | Between 1.312 inches and 1.359 inches |
| Grip | 11/16 in |
| Grip Diameter | Between 0.3737 inches and 0.3742 inches |
| Grip Length | Between 0.672 inches and 0.703 inches |
| Hardness Rating | 26.0 rockwell c and 32.0 rockwell c |
| Head Height | Between 0.203 inches and 0.235 inches |
| Head Style | Hexagon Head |
| Head Type | Hexagon |
| Industry Standards/Certification | AN176 |
| Length | 1 21/64 in |
| Material | Steel |
| Min. Tensile Strength (psi) | 125000 pounds per square inch |
| NIIN | 00-827-6088 |
| NSN | 5306-00-827-6088 |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Cl 3 federal specification single treatment response type 2 qq-p-416 |
| Thread Class | 3a |
| Thread Diameter | 0.375 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.609 inches and 1.359 inches |
| Thread Qty | 24 |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series | UNF |
| Thread Series Designator | Unf (fine thread) |
| Thread Size | 0.3750-24, 3/8 |
| Weight | 0.06 lb |
| Width Between Flats | Between 0.553 inches and 0.565 inches |
Cross-reference
No interchangeable or dimensionally similar parts are on record for AN176-12A. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error