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AN505-5-4
Aeronautical Standard Machine Screw
Description
Fastener Length: 1/4", Thread: 5-40, Thread Length: 1/4", slotted recessed
Specifications
| Countersink Angle | 80.0 degrees minimum and 82.0 degrees maximum |
|---|---|
| Fastener Length | 0.219 inches minimum and 0.250 inches maximum |
| Head Diameter | 0.220 inches minimum and 0.252 inches maximum |
| Head Style | Flat countersunk |
| Internal Drive Style | Cross recess type 1 |
| Length | 1/4 |
| Material | Steel |
| Min. Tensile Strength (psi) | 60000 pounds per square inch |
| Nondefinitive Specification/Std Data | 1 type and 2 style |
| Screw Material | Steel |
| Screw Material Specification | Qq-s-633 fed spec single material response |
| 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 | 0.125 |
| Thread Direction | Right-hand |
| Thread Length | 0.200 inches minimum and 0.250 inches maximum |
| Thread Qty | 40 |
| Thread Qty Per Inch (tpi) | 40 |
| Thread Series Designator | UNC |
| Thread Size | 5 |
Cross-reference
No interchangeable or dimensionally similar parts are on record for AN505-5-4. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error