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NAS1351C4-24
1-1/2 Inch Length NAS1351 Undrilled Socket Head Screw
Description
Fastener Length: 1-1/2", Thread: 1/4-28, Head Width: 3/16", Thread Length: 1-1/64", flat head, NAS1351 series screw
Specifications
| Country of Origin | USA |
|---|---|
| Drilling | Undrilled Head |
| Drive Style | Hexagon |
| Fastener Length | Between 1.460 inches and 1.500 inches |
| Hardness Rating | 80.0 rockwell b |
| Head Diameter | Between 0.367 inches and 0.375 inches |
| Head Height | Between 0.244 inches and 0.250 inches |
| Head Style | Flat chamfer |
| Head Type | Socket |
| Industry Standards/Certification | NAS1351 |
| Internal Drive Style | Hexagon |
| Length | 1 1/2 in |
| Material | CRES |
| Material Specification | 66 federal standard 1st material response or 66 federal standard 2nd material response or 66 federal standard 3rd material response or 66 federal standard 4th material response or 66 federal standard 5th material response or astm a493 assn standard 6th material response |
| Min. Tensile Strength (psi) | 80000 pounds per square inch |
| Minimum Yield Strength | 30000 pounds per square inch |
| Nondefinitive Specification/Std Data | 1 type |
| Sold In | Per Package |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Qq-p-35 federal specification single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 1.000 |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series | UNF |
| Thread Series Designator | Unf (fine thread) |
| Thread Size | 0.2500-28, 1/4 |
| Weight | .005 lb |
| Width Across Flats | Between 0.187 inches and 0.189 inches |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
Interchangeable
Parts that share a National Stock Number or are listed as an alternate for NAS1351C4-24 — functionally equivalent.
- MS16996-26 Listed alternate 28.00-28 · 0.073 in · Flat chamfer · CRES
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Catalog data updated 2026-07-05. Report a data error