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AN525D416R10
Aeronautical Standard Screw
Description
Fastener Length: 21/32", Thread: 1/4-28, Thread Length: 29/64"
Specifications
| Extended Washer Diameter | 0.490 inches minimum and 0.510 inches maximum |
|---|---|
| Extended Washer Thickness | 0.028 inches minimum and 0.033 inches maximum |
| Fastener Length | 0.594 inches minimum and 0.656 inches maximum |
| Head Diameter | 0.427 inches minimum and 0.447 inches maximum |
| Head Height | 0.096 inches minimum and 0.106 inches maximum |
| Head Style | Round extended washer |
| Internal Drive Style | Cross recess type 1 |
| Length | 21/32 |
| Material | Aluminum |
| Min. Tensile Strength (psi) | 62000 pounds per square inch |
| Screw Material | Aluminum alloy 2024 |
| Screw Material Specification | Qq-a-200/3 fed spec single material response or qq-a-225/6 fed spec single material response |
| Screw Surface Treatment | Anodize |
| Screw Surface Treatment Specification | Mil-a-8625 mil spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.289 inches minimum and 0.453 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 AN525D416R10. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error