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NAS1351C4-16
1 Inch Length NAS1351 Undrilled Socket Head Screw
Description
1 Inch Length NAS1351 Undrilled Socket Head Screw
Specifications
| Country of Origin | USA |
|---|---|
| Drilling | Undrilled Head |
| Fastener Length | 0.970 inches minimum and 1.000 inches maximum |
| Hardness Rating | 80.0 rockwell c |
| Head Diameter | 0.365 inches minimum and 0.375 inches maximum |
| Head Height | 0.244 inches minimum and 0.250 inches maximum |
| Head Style | Flat chamfer |
| Head Type | Socket |
| Industry Standards/Certification | NAS1351 |
| Internal Drive Style | Hexagon |
| Length | 1 in |
| Material | CRES |
| Material Specification | Qq-p-416 ty1 cl2 fed spec single material response |
| Min. Tensile Strength (psi) | 80000 pounds per square inch |
| Minimum Yield Strength | 30000 pounds per square inch |
| Sold In | EA |
| Specification Data | 80205-nas1351c4-16 professional/industrial association standard |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Qq-p-35 fed spec single treatment response |
| Thread | 1/4-28 |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.899 inches minimum and 1.000 inches maximum |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNRF |
| Thread Size | 0.2500-28 |
| Type | Fine Thread |
| Weight | .005 lb |
| Width Across Flats | 0.188 inches minimum and 0.190 inches maximum |
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.
- MS16998-47 MS 28.00-28 · 0.073 in · Flat chamfer · Steel
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Catalog data updated 2026-07-05. Report a data error