screws › machine screws
AN515-4R5
Aeronautical Standard Machine Screw
Description
Fastener Length: 5/16", Thread: 4-40, Thread Length: 5/16
Specifications
| Fastener Length | 0.281 inches minimum and 0.312 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 | 5/16 |
| Material | Steel |
| Min. Tensile Strength (psi) | 55000 pounds per square inch |
| Screw Material | Steel comp 1010 or steel comp 1011 or steel comp 1013 |
| Screw Material Specification | 66 fed std all material responses |
| Screw Surface Treatment | Cadmium and chromate |
| Screw Surface Treatment Specification | Qq-p-416,ty 2,cl 3 fed spec single treatment response |
| 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 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- AN515-4R4
- AN515-4R5
- AN515-4R7
- AN515-4R8
- AN515-4R14
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.
- MS21090-0411 MS #4-40 · 5/16 in · Pan Head · Steel
- MS51957-14B MS #4-40 · 5/16 in · Pan Head · CRES
- NAS1100E04-5 NAS #4-40 · 5/16 in · Pan Head · Iron
- NAS1190-04P5B NAS #4-40 · 5/16 in · Pan Head · Steel
- NAS1190-04P5N NAS #4-40 · 5/16 in · Pan Head · Steel
- NAS600-5P NAS #4-40 · 5/16 in · Pan Head · Steel
Looking for a specific part? Use the cross-reference lookup.
Catalog data updated 2026-07-05. Report a data error