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AN505B2R7
Aeronautical Standard Machine Screw
Description
Fastener Length: 7/16", Thread: 2-56, Thread Length: 3/8"
Specifications
| Countersink Angle | 80.0 degrees minimum and 82.0 degrees maximum |
|---|---|
| Fastener Length | 0.407 inches minimum and 0.438 inches maximum |
| Head Diameter | 0.150 inches minimum and 0.172 inches maximum |
| Head Style | Flat countersunk |
| Internal Drive Style | Cross recess type 1 |
| Length | 7/16 |
| Min. Tensile Strength (psi) | 55000 pounds per square inch |
| Nondefinitive Specification/Std Data | 3 type and 2c style |
| Screw Material | Copper alloy |
| Screw Material Specification | Qq-b-613 fed spec single material response or qq-b-626 fed spec single material response or qq-w-321 fed spec single material response |
| Thread Class | 2a |
| Thread Diameter | 0.086 |
| Thread Direction | Right-hand |
| Thread Length | 0.402 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.
- AN505B2R6
- AN505B2R7
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.
- NAS1102-02-7 NAS #2-56 · 7/16 in · Flat countersunk · Steel
- NAS1102E02-7 NAS #2-56 · 7/16 in · Flat countersunk · Iron
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Catalog data updated 2026-07-05. Report a data error