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NAS662C2-5
Machine Screw
Description
Fastener Length: 5/16", Thread: 2-56, Thread Length: 9/32", NAS662 series screw
Specifications
| Countersink Angle | 100.0 degrees |
|---|---|
| Fastener Length | 0.282 inches minimum and 0.312 inches maximum |
| Head Diameter | 0.156 inches minimum and 0.172 inches maximum |
| Head Style | Flat countersunk |
| Internal Drive Style | Slot |
| Length | 5/16 |
| Material | Steel |
| Min. Tensile Strength (psi) | 60000 pounds per square inch |
| Screw Material | Steel comp 304l or steel comp 316l or steel comp 302 or steel comp 347 or steel comp 321 or steel comp 317 or steel comp 316 or steel comp 310 or steel comp 309 or steel comp 305 or steel comp 304 |
| 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 | 0.210 inches minimum and 0.282 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.
- NAS1102E02-5 NAS #2-56 · 5/16 in · Flat countersunk · Iron
- NAS1102E02-5P NAS #2-56 · 5/16 in · Flat countersunk · Iron
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Catalog data updated 2026-07-05. Report a data error