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AN515-4-5
Aeronautical Standard Screw
Description
AN 515-4-5 Round Head Machine Screw
Specifications
| Fastener Length | 0.281 inches minimum and 0.312 inches maximum |
|---|---|
| Finish | Cadmium l |
| Head Diameter | 0.193 inches minimum and 0.211 inches maximum |
| Head Height | 0.086 inches maximum |
| Head Style | Round Head |
| Internal Drive Style | Cross recess type 1 |
| Length | 5/16 |
| Material | Steel |
| Min. Tensile Strength (psi) | 55000 pounds per square inch |
| Screw Material | Steel or steel comp 1010 |
| Screw Material Specification | Qq-s-630 fed spec 2nd material response or qq-s-631 fed spec 2nd material response or qq-s-634 fed spec 2nd material response |
| Screw Surface Treatment | Cadmium |
| Screw Surface Treatment Specification | Qq-p-416,ty 1,cl 3 fed spec single treatment response |
| Size | 4-40 |
| Thread Class | 2a |
| Thread Diameter | 0.112 |
| Thread Direction | Right-hand |
| Thread Length | 0.262 inches minimum and 0.312 inches maximum |
| Thread Qty | 40 |
| Thread Qty Per Inch (tpi) | 40 |
| Thread Series Designator | UNC |
| Thread Size | 4 |
| Thread Type | N.C. - Coarse |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
Similar parts
Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.
- AN515C4R5 AN #4-40 · 5/16 in · Round Head · CRES
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Catalog data updated 2026-07-05. Report a data error