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AN5-6A
Aeronautical Standard Machine Bolt
Description
Airframe Bolt
Specifications
| Country of Origin | USA |
|---|---|
| Drilling | Undrilled Head |
| Fastener Length | 0.844 |
| Features Provided | Finished head |
| Grip | 5/16 in |
| Grip Length | 0.312, 5/16 |
| Hardness Rating | 26.0 rockwell c and 32.0 rockwell c |
| Head Height | Between 0.172 inches and 0.204 inches |
| Head Style | Hexagon Head |
| Hole Configuration Style | Hexagon flats |
| Hole Diameter | 0.070 |
| Hole Quantity | 1 |
| Hole Type | Drilled |
| Industry Standards/Certification | AN5 |
| Length | 27/32 in |
| Material | Steel |
| Material Specification | Mil-b-6812 military specification all material responses |
| Min. Tensile Strength (psi) | 125000 pounds per square inch |
| NIIN | 00-150-9101 |
| NSN | 5306-00-150-9101 |
| Nominal Length | 27/32 |
| Pre-Packaged Bag Quantity | 50 |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Class 3 federal specification all treatment responses type 2 qq-p-416 |
| Thread Class | 3a |
| Thread Diameter | 0.312 |
| Thread Direction | Right-hand |
| Thread Length | 0.532 |
| Thread Qty | 24 |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series | UNF |
| Thread Series Designator | Unf (fine thread) |
| Thread Size | 1/4, 5/16-24 |
| Weight | 0.03 lb |
| Width Between Flats | Between 0.490 inches and 0.502 inches |
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.
- AN5H6A AN 1/4-24 · 27/32 in · Hexagon Head · Steel
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Catalog data updated 2026-07-05. Report a data error