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AN515UB4-4
Aeronautical Standard Screw
Description
Fastener Length: 1/4", Thread: 4-40, Thread Length: 1/4"
Specifications
| Fastener Length | 0.219 inches minimum and 0.250 inches maximum |
|---|---|
| Head Diameter | 0.205 inches minimum and 0.219 inches maximum |
| Head Height | 0.070 inches minimum and 0.080 inches maximum |
| Head Style | Pan Head |
| Internal Drive Style | Cross recess type 1 |
| Length | 1/4 |
| Min. Tensile Strength (psi) | 57000 pounds per square inch |
| Screw Material | Copper alloy |
| Screw Material Specification | Qq-b-626 fed spec single material response or qq-w-321 fed spec single material response |
| Thread Class | 2a |
| Thread Diameter | 0.112 |
| Thread Direction | Right-hand |
| Thread Length | 0.200 inches minimum and 0.250 inches maximum |
| Thread Qty | 40 |
| Thread Qty Per Inch (tpi) | 40 |
| Thread Series Designator | UNC |
| Thread Size | 4 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- AN515UB4-3
- AN515UB4-4
Cross-reference
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Catalog data updated 2026-07-05. Report a data error