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AN531-10R8
Aeronautical Standard Screw
Description
Fastener Length: 1/2"
Specifications
| Countersink Angle | 82.0 degrees |
|---|---|
| Fastener Length | 0.500 |
| Head Diameter | 0.359 inches minimum and 0.385 inches maximum |
| Head Style | Flat countersunk |
| Internal Drive Style | Cross recess type 1 |
| Length | 1/2 |
| Material | Steel |
| Material Specification | Mil-s-6049 mil spec 1st material response or mil-s-6050 mil spec 2nd material response or mil-s-6098 mil spec 3rd material response or mil-s-6758 mil spec 4th material response or an-s-9 fed spec 5th material response |
| Nonmachine Thread Diameter | 0.189 |
| Nonmachine Thread Style | Dog type (type b or c) |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- AN531-10R8
- AN531-10R16
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.
- MS35492-74 MS 1/2 in · Flat countersunk · Steel
- MS51862-34 MS 1/2 in · Flat countersunk · Steel
Looking for a specific part? Use the cross-reference lookup.
Catalog data updated 2026-07-05. Report a data error