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AN500D3-4
Aeronautical Standard Machine Screw
Description
Fastener Length: 1/4", Thread: 3-48, Thread Length: 1/4
Specifications
| Fastener Length | 0.219 inches minimum and 0.250 inches maximum |
|---|---|
| Head Diameter | 0.145 inches minimum and 0.161 inches maximum |
| Head Height | 0.061 inches minimum and 0.070 inches maximum |
| Head Style | Fillister |
| Internal Drive Style | Cross recess type 1 |
| Length | 1/4 |
| Material | Steel |
| Screw Material | Steel comp 303 |
| Screw Material Specification | Qq-s-763 fed spec single material response |
| Thread Class | 2a |
| Thread Diameter | 0.099 |
| Thread Direction | Right-hand |
| Thread Length | 0.208 inches minimum and 0.250 inches maximum |
| Thread Qty | 48 |
| Thread Qty Per Inch (tpi) | 48 |
| Thread Series Designator | UNC |
| Thread Size | 3 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- AN500D3-4
- AN500D3-5
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.
- AN500-3-4 AN #3-48 · 1/4 in · Fillister · Steel
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Catalog data updated 2026-07-05. Report a data error