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NAS1351-5-6P
Socket Head Screw
Description
Fastener Length: 3/8", Thread: 1/4-24, Head Width: 1/4", Thread Length: 3/8"
Specifications
| Fastener Length | 0.345 inches minimum and 0.375 inches maximum |
|---|---|
| Hardness Rating | 39.0 rockwell c minimum and 45.0 rockwell c maximum |
| Head Diameter | 0.457 inches minimum and 0.469 inches maximum |
| Head Height | 0.306 inches minimum and 0.312 inches maximum |
| Head Style | Flat chamfer |
| Internal Drive Style | Hexagon |
| Length | 3/8 |
| Material | Steel |
| Material Specification | Astm a574 assn std single material response |
| Min. Tensile Strength (psi) | 180000 pounds per square inch |
| Specification Data | 80205-nas1351 professional/industrial association standard |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416, cl2,ty2 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.312 |
| Thread Direction | Right-hand |
| Thread Length | 0.262 inches minimum and 0.375 inches maximum |
| Thread Qty | 24 |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series Designator | UNRF |
| Thread Size | 1/4 |
| Width Across Flats | 0.250 inches minimum and 0.253 inches maximum |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS1351-5-6P. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error