bolts › machine bolts
AN6-26
Aeronautical Standard Machine Bolt
Description
Airframe Bolt; Drilled
Specifications
| Alternate Part Number | 400-219 |
|---|---|
| Country of Origin | USA |
| Distance From Head Largest Bearing Surface To Shank Hole Center | 2.626 inches first hole |
| Drilling | Drilled Head |
| Fastener Length | 2.828 |
| Features Provided | Finished head |
| Grip | 2 3/16 in |
| Grip Length | 2 3/16, 2.188 |
| 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 | AN6 |
| Length | 2 53/64 in |
| Material | Steel |
| Material Specification | Mil-s-5626 military specification 1st material response or mil-s-6049 military specification 2nd material response or mil-s-6050 military specification 3rd material response or mil-s-6098 military specification 4th material response or mil-s-6758 military specification 5th material response or mil-s-8695 military specification 6th material response |
| Min. Tensile Strength (psi) | 125000 pounds per square inch |
| NIIN | 00-167-3692 |
| NSN | 5306-00-167-3692 |
| Nominal Length | 2 27/32 |
| Shank Unthreaded Hole Diameter | 0.106 inches first hole |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Cl 3 federal specification single treatment response type 1 qq-p-416 |
| Thread Class | 3a |
| Thread Diameter | 0.375 |
| Thread Direction | Right-hand |
| Thread Length | 0.640 |
| Thread Qty | 24 |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series | UNF |
| Thread Series Designator | Unf (fine thread) |
| Thread Size | 3/8-24 |
| Weight | 0.099 lb |
| Width Between Flats | Between 0.553 inches and 0.565 inches |
Cross-reference
No interchangeable or dimensionally similar parts are on record for AN6-26. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error