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AN505C2-5
Aeronautical Standard Machine Screw
Description
Fastener Length: 1/4", Thread: 2-56, Thread Length: 7/32
Specifications
| Countersink Angle | 80.0 degrees minimum and 82.0 degrees maximum |
|---|---|
| Fastener Length | 0.312 |
| Head Diameter | 0.150 inches minimum and 0.172 inches maximum |
| Head Style | Flat countersunk |
| Internal Drive Style | Slot |
| Length | 1/4 |
| Material | Steel |
| Min. Tensile Strength (psi) | 80000 pounds per square inch |
| Screw Material | Steel comp 430 or steel comp 303 or steel comp 303se or steel comp 316 |
| Screw Material Specification | Qq-a-763 cl iv fed spec 1st material response or mil-s-7720 comp fm mil spec 2nd material response or mil-s-7720 comp fm mil spec 3rd material response or mil-s-7720 comp g mil spec 4th material response |
| Screw Surface Treatment | Passivate |
| Screw Surface Treatment Specification | Qq-p-35 fed spec single treatment response |
| Thread Class | 2a |
| Thread Diameter | 0.086 |
| Thread Direction | Right-hand |
| Thread Length | 0.230 inches minimum |
| Thread Qty | 56 |
| Thread Qty Per Inch (tpi) | 56 |
| Thread Series Designator | UNC |
| Thread Size | 2 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
No interchangeable or dimensionally similar parts are on record for AN505C2-5. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error