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AN115455
Aeronautical Standard Screw
Description
Fastener Length: 1/2", Thread: 1/4-28, Thread Length: 1/2"
Specifications
| Fastener Length | 0.490 inches minimum and 0.510 inches maximum |
|---|---|
| Hardness Rating | 26.0 rockwell c minimum and 32.0 rockwell c maximum |
| Head Diameter | 0.389 inches minimum and 0.414 inches maximum |
| Head Height | 0.146 inches minimum and 0.166 inches maximum |
| Head Style | Flat chamfer |
| Internal Drive Style | Slot |
| Length | 1/2 |
| Material | Steel |
| Min. Tensile Strength (psi) | 125000 pounds per square inch |
| Screw Material | Steel comp 8740 |
| Screw Material Specification | Ams 6322 assn std single material response |
| Screw Surface Treatment | Cadmium |
| Screw Surface Treatment Specification | Ams 2400 assn std single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.439 inches minimum and 0.510 inches maximum |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNF |
| Thread Size | 1/4 |
Cross-reference
No interchangeable or dimensionally similar parts are on record for AN115455. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error