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NAS662C2-7
Screw
Description
Fastener Length: 7/16", Thread: 2-56, Thread Length: 7/16"
Specifications
| Countersink Angle | 99.0 degrees minimum and 101.0 degrees maximum |
|---|---|
| Fastener Length | 0.408 inches minimum and 0.438 inches maximum |
| Head Diameter | 0.156 inches minimum and 0.172 inches maximum |
| Head Style | Flat countersunk |
| Internal Drive Style | Slot |
| Length | 7/16 |
| Min. Tensile Strength (psi) | 80000 pounds per square inch |
| Screw Material Specification | Qq-s-764,cond a fed spec 1st material response or mil-s-18170 mil spec 2nd material response or qq-s-764,type 303s fed spec 3rd material response |
| Screw Surface Treatment | Passivate |
| Screw Surface Treatment Specification | Qq-p-35 fed spec single treatment response |
| Specification Data | 80205-nas662 professional/industrial association standard |
| Thread Class | 2a |
| Thread Diameter | 0.086 |
| Thread Direction | Right-hand |
| Thread Length | 0.402 inches minimum and 0.438 inches maximum |
| 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.
- NAS662C2-2
- NAS662C2-5
- NAS662C2-7
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.
- NAS662C2R7 NAS #2-56 · 7/16 in · Flat countersunk · Steel
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Catalog data updated 2026-07-05. Report a data error