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NAS1351-4-8
Socket Head Cap Screw
Description
Socket Head Screw
Specifications
| Country of Origin | USA |
|---|---|
| Drive Style | Hexagon |
| Fastener Length | Between 0.470 inches and 0.500 inches |
| Features Provided | Casehardened |
| Hardness Rating | 38.0 rockwell c and 45.0 rockwell c |
| Head Diameter | Between 0.365 inches and 0.375 inches |
| Head Height | Between 0.244 inches and 0.250 inches |
| Head Style | Flat chamfer |
| Internal Drive Style | Hexagon |
| Length | 1/2 |
| Material | Steel |
| Min. Tensile Strength (psi) | 180000 pounds per square inch |
| Minimum Yield Strength | 155000 pounds per square inch |
| NIIN | 00-400-4882 |
| NSN | 5305-00-400-4882 |
| Sold In | EA |
| Specification Data | 80205-nas1351 professional/industrial association standard |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.399 inches and 0.500 inches |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series | UNRF |
| Thread Series Designator | UNRF |
| Thread Size | 1/4 |
| Weight | .005 lb |
| Width Across Flats | Between 0.188 inches and 0.190 inches |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
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.
- NAS1351-4LE8P NAS 1/4-28 · 1/2 in · Flat chamfer · Plastic
- NAS1351C4-8 NAS 1/4-28 · 1/2 in · Flat chamfer · Steel
- NAS1351C4-8P NAS 1/4-28 · 1/2 in · Flat chamfer · CRES
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Catalog data updated 2026-07-05. Report a data error