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AN515-4-12
Aeronautical Standard Screw
Description
AN 515-4-12 Round Head Machine Screw
Specifications
| Criticality Code Justification | Feat |
|---|---|
| Fastener Length | 0.375 |
| Finish | Cadmium l |
| 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, Round Head |
| Internal Drive Style | Cross recess type 1 |
| Length | 3/4, 3/8 |
| Material | Steel |
| Min. Tensile Strength (psi) | 55000 pounds per square inch |
| Screw Material | Steel |
| Screw Material Specification | Qq-s-637 fed spec single material response |
| Screw Surface Treatment | Cadmium and chromate |
| Screw Surface Treatment Specification | Qq-p-416,type 2,class 3 fed spec all treatment responses |
| Size | 4-40 |
| Special Features | Weapon systemj essential |
| Thread Class | 2a |
| Thread Diameter | 0.112 |
| Thread Direction | Right-hand |
| Thread Length | 0.325 inches minimum and 0.375 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
No interchangeable or dimensionally similar parts are on record for AN515-4-12. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error