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AN505C5-4
Aeronautical Standard Screw
Description
Fastener Length: 1/4", Thread: 5-40, Thread Length: 3/16"
Specifications
| Countersink Angle | 80.0 degrees minimum and 82.0 degrees maximum |
|---|---|
| Departure From Cited Designator | As mod by matl |
| Fastener Length | 0.219 inches minimum and 0.250 inches maximum |
| Head Diameter | 0.225 inches minimum and 0.252 inches maximum |
| Head Style | Flat countersunk |
| Internal Drive Style | Slot |
| Length | 1/4 |
| Material | Steel |
| Min. Tensile Strength (psi) | 80000 pounds per square inch |
| Nondefinitive Specification/Std Data | 1 type and 2s style |
| Screw Material | Steel comp 303 or steel comp 303se |
| Screw Material Specification | Astm a582 assn std all material responses |
| Screw Surface Treatment | Passivate |
| Screw Surface Treatment Specification | Qq-p-35 fed spec single treatment response |
| Thread Class | 2a |
| Thread Diameter | 0.125 |
| Thread Direction | Right-hand |
| Thread Length | 0.094 inches minimum and 0.188 inches maximum |
| Thread Qty | 40 |
| Thread Qty Per Inch (tpi) | 40 |
| Thread Series Designator | UNC |
| Thread Size | 5 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- AN505C5-3
- AN505C5-4
Cross-reference
No interchangeable or dimensionally similar parts are on record for AN505C5-4. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error