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AN507-632-4
Aeronautical Standard Screw
Description
Fastener Length: 1/4", Thread: 6-32, Thread Length: 1/4"
Specifications
| Countersink Angle | 99.0 degrees minimum and 101.0 degrees maximum |
|---|---|
| Fastener Length | 0.219 inches minimum and 0.250 inches maximum |
| Head Diameter | 0.238 inches minimum and 0.279 inches maximum |
| Head Style | Flat countersunk |
| Internal Drive Style | Cross recess type 1 |
| Length | 1/4 |
| Material | Steel |
| Min. Tensile Strength (psi) | 80000 pounds per square inch |
| Screw Material | Steel comp 302 or steel comp 303 or steel comp 304 |
| Screw Material Specification | 66 fed std all material responses |
| Screw Surface Treatment | Passivate |
| Thread Class | 2a |
| Thread Diameter | 0.138 |
| Thread Direction | Right-hand |
| Thread Length | 0.188 inches minimum and 0.250 inches maximum |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series Designator | UNC |
| Thread Size | 6 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- AN507-632-4
- AN507-632-5
- AN507-632-6
- AN507-632-7
- AN507-632-8
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.
- MS24693-BB24 MS #6-32 · 1/4 in · Flat countersunk
- MS24693BB24 MS #6-32 · 1/4 in · Flat countersunk
- MS24693C24 MS #6-32 · 1/4 in · Flat countersunk · CRES
- NAS1102-06-4 NAS #6-32 · 1/4 in · Flat countersunk · Steel
- NAS514P632-4 NAS #6-32 · 1/4 in · Flat countersunk · Steel
- NAS514P632-4B NAS #6-32 · 1/4 in · Flat countersunk · Steel
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Catalog data updated 2026-07-05. Report a data error