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AN525-416R11
Aeronautical Standard Machine Screw
Description
Misc Hardware
Specifications
| Extended Washer Diameter | 0.500 |
|---|---|
| Extended Washer Thickness | Between 0.028 inches and 0.033 inches |
| Fastener Length | Between 0.657 inches and 0.719 inches |
| Head Diameter | 0.437 |
| Head Height | 0.101 |
| Head Style | Round extended washer |
| Internal Drive Style | Cross recess type 1 |
| Material | Steel |
| Min. Tensile Strength (psi) | 125000 pounds per square inch |
| Screw Material | Steel comp 2330 |
| Screw Material Specification | Qq-s-689 federal specification single material response |
| Screw Surface Treatment | Cadmium or zinc |
| Screw Surface Treatment Specification | Qq-p-416 federal specification 1st treatment response or qq-z-325 federal specification 2nd treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.617 |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series | UNF |
| Thread Series Designator | Unf (fine thread) |
| Thread Size | 1/4 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
No interchangeable or dimensionally similar parts are on record for AN525-416R11. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error