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AN12-44A
Aeronautical Standard Machine Bolt
Description
Fastener Length: 4-5/8", Thread: 3/4-16, Thread Length: 1-3/32
Specifications
| Departure From Cited Designator | As mod by material spec |
|---|---|
| Fastener Length | 4.656 |
| Features Provided | Finished head |
| Grip Length | 3.562 |
| Hardness Rating | 26.0 rockwell c and 32.0 rockwell c |
| Head Height | Between 0.390 inches and 0.422 inches |
| Head Style | Hexagon Head |
| 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 ams 6300 assn standard 6th material response |
| Min. Tensile Strength (psi) | 125000 pounds per square inch |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416 type 2 class 3 federal specification single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.750 |
| Thread Direction | Right-hand |
| Thread Length | 1.094 |
| Thread Qty | 16 |
| Thread Qty Per Inch (tpi) | 16 |
| Thread Series | UNF |
| Thread Series Designator | Unf (fine thread) |
| Thread Size | 3/4 |
| Width Between Flats | Between 1.053 inches and 1.066 inches |
Cross-reference
No interchangeable or dimensionally similar parts are on record for AN12-44A. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error