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AN500-4-5
Aeronautical Standard Machine Screw
Description
Fastener Length: 5/16", Thread: 4-40, Thread Length: 5/16", AN500 series screw
Specifications
| Drive Style | Cross |
|---|---|
| Fastener Length | Between 0.281 inches and 0.312 inches |
| Head Diameter | Between 0.166 inches and 0.183 inches |
| Head Height | Between 0.072 inches and 0.079 inches |
| Head Style | Fillister |
| Internal Drive Style | Cross recess type 1 |
| Length | 5/16 |
| Material | Steel |
| Min. Tensile Strength (psi) | 60000 pounds per square inch |
| Screw Material | Steel |
| Screw Material Specification | Qq-s-630 federal specification 2nd material response or qq-s-631 federal specification 2nd material response or qq-s-634 federal specification 2nd material response |
| Screw Surface Treatment | Cadmium |
| Screw Surface Treatment Specification | Cl 3 federal specification single treatment response type 1 qq-p-416 |
| Thread Class | 2a |
| Thread Diameter | 0.112 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.262 inches and 0.312 inches |
| Thread Qty | 40 |
| Thread Qty Per Inch (tpi) | 40 |
| Thread Series | UNC |
| Thread Series Designator | Unc (coarse thread) |
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
No interchangeable or dimensionally similar parts are on record for AN500-4-5. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error