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AN502-416-18
Aeronautical Standard Machine Screw
Description
Fastener Length: 1-1/8", Thread: 1/4-28, Thread Length: 1-3/64
Specifications
| Fastener Length | 1.125 |
|---|---|
| Head Diameter | 0.389 inches minimum and 0.414 inches maximum |
| Head Height | 0.161 inches minimum and 0.170 inches maximum |
| Head Style | Fillister |
| Internal Drive Style | Slot |
| Length | 1 1/8 |
| Material | Steel |
| Min. Tensile Strength (psi) | 125000 pounds per square inch |
| Screw Material | Steel comp 4037 or steel comp 8630 |
| Screw Material Specification | An-s-9 mil std 1st material response or mil-s-6050 mil spec 2nd material response |
| Screw Surface Treatment | Cadmium |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 1.047 |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNF |
| 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 AN502-416-18. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error