screws › socket head cap screws
NAS1352-4-40P
MS16997-68 Socket Head Cap Screw
Description
Socket Head Cap Screw
Specifications
| Fastener Length | 2.460 inches minimum and 2.500 inches maximum |
|---|---|
| Hardness Rating | 38.0 rockwell c minimum and 45.0 rockwell c maximum |
| 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 |
| Internal Drive Style | Hexagon |
| Length | 2.50 |
| Material | Steel |
| Min. Tensile Strength (psi) | 170000 pounds per square inch |
| Minimum Yield Strength | 150000 pounds per square inch |
| Specification Data | 80205-nas1352 professional/industrial association standard |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416 type 2 class 2 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Fraction | 1/4-20 |
| Thread Length | 1.000 |
| Thread Qty Per Inch (tpi) | 20 |
| Thread Series Designator | UNRC |
| Width Across Flats | 0.1875 inches minimum and 0.1900 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 NAS1352-4-40P. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error