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AN175C15A
Aeronautical Standard Bolt
Description
Fastener Length: 1-45/64", Thread: 5/16-24, Thread Length: 1/2"
Specifications
| Fastener Length | 1.703 inches minimum and 1.750 inches maximum |
|---|---|
| Grip Diameter | 0.3112 inches minimum and 0.3117 inches maximum |
| Grip Length | 1.172 inches minimum and 1.203 inches maximum |
| Hardness Rating | 26.0 rockwell c minimum and 32.0 rockwell c maximum |
| Head Height | 0.172 inches minimum and 0.204 inches maximum |
| Head Style | Hexagon Head |
| Length | 1 3/4 |
| Material | Steel |
| Material Specification | Mil-s-18732 mil spec single material response |
| Min. Tensile Strength (psi) | 125000 pounds per square inch |
| Surface Treatment | Passivate |
| Thread Class | 3a |
| Thread Diameter | 0.312 |
| Thread Direction | Right-hand |
| Thread Length | 0.500 inches minimum and 0.578 inches maximum |
| Thread Qty | 24 |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series Designator | UNF |
| Thread Size | 1/4 |
| Width Between Flats | 0.490 inches minimum and 0.502 inches maximum |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
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.
- AN175C15 AN 1/4-24 · 0.073 in · Hexagon Head · Steel
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Catalog data updated 2026-07-05. Report a data error