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AN500-4-6
Aeronautical Standard Screw
Description
Fastener Length: 3/8", Thread: 4-40, Thread Length: 3/8"
Specifications
| Fastener Length | 0.375 |
|---|---|
| Head Diameter | 0.166 inches minimum and 0.183 inches maximum |
| Head Height | 0.069 inches minimum and 0.079 inches maximum |
| Head Style | Fillister |
| Internal Drive Style | Cross recess type 1 |
| Length | 3/8 |
| Screw Material Specification | Sae assn std all material responses |
| Screw Surface Treatment | Cadmium or zinc |
| Screw Surface Treatment Specification | Qq-p-416,ty 1,cl 3 fed spec 1st treatment response or qq-z-325,ty 1,cl 3 fed spec 2nd treatment response |
| 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 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- AN500-4-4
- AN500-4-5
- AN500-4-6
- AN500-4-10
- AN500-4-12
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.
- AN500D4-6 AN #4-40 · 3/8 in · Fillister · Steel
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Catalog data updated 2026-07-05. Report a data error