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AN525-8-11
Aeronautical Standard Screw
Description
AN 525-8-11 Washer Head Machine Screw
Specifications
| Extended Washer Diameter | 0.375 |
|---|---|
| Extended Washer Thickness | 0.023 |
| Fastener Length | 0.688 |
| Finish | Cadmium ll |
| Grip Length | 9/32 |
| Head Diameter | 0.312 |
| Head Height | 0.082 inches minimum and 0.092 inches maximum |
| Head Style | Round extended washer, Washer Head |
| Internal Drive Style | Slot |
| Length | 11/16 |
| Material | Steel |
| Screw Material | Steel |
| Screw Material Specification | An-qq-s-689 cond 4 /canceled fed spec single material response |
| Screw Surface Treatment | Cadmium or zinc |
| Size | 8-36 |
| Thread Class | 3a |
| Thread Diameter | 0.164 |
| Thread Direction | Right-hand |
| Thread Length | 0.406 inches minimum |
| Thread Qty | 36 |
| Thread Qty Per Inch (tpi) | 36 |
| Thread Series Designator | UNF |
| Thread Size | 8 |
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 AN525-8-11. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error