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AN116906
Aeronautical Standard Screw
Description
Fastener Length: 1/2", Thread: 4-40, Thread Length: 1/2"
Specifications
| Fastener Length | 0.490 inches minimum and 0.510 inches maximum |
|---|---|
| Hardness Rating | 80.0 rockwell b minimum and 100.0 rockwell b maximum |
| Head Diameter | 0.166 inches minimum and 0.183 inches maximum |
| Head Height | 0.128 inches minimum and 0.138 inches maximum |
| Head Style | Fillister |
| Internal Drive Style | Cross recess type 1 |
| Length | 1/2 |
| Material | Steel |
| Min. Tensile Strength (psi) | 70000 pounds per square inch |
| Screw Material | Steel |
| Screw Material Specification | Ams 5061 assn std single material response |
| Screw Surface Treatment | Cadmium |
| Screw Surface Treatment Specification | Ams 2400 assn std single treatment response |
| Thread Class | 2a |
| Thread Diameter | 0.112 |
| Thread Direction | Right-hand |
| Thread Length | 0.410 inches minimum and 0.510 inches maximum |
| Thread Qty | 40 |
| Thread Qty Per Inch (tpi) | 40 |
| Thread Series Designator | UNC |
| Thread Size | 4 |
Cross-reference
No interchangeable or dimensionally similar parts are on record for AN116906. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error