screws › socket head cap screws
NAS1351-4-40P
Socket Head Cap Screw
Description
Socket Head Cap Screw
Specifications
| Fastener Length | 2.500 |
|---|---|
| Head Height | 0.250 |
| Head Minor Diameter | 0.365 inches minimum and 0.375 inches maximum |
| Head Style | Spline drive shear head |
| Internal Drive Style | Hexagon |
| Material | Steel |
| Part Name Assigned By Controlling Agency | Screw, cap, socket head |
| Special Features | Head has a drive hex; surface finish cadmium ii plating type 2, class 2; material alloy steel |
| Surface Treatment | Cadmium |
| Thread Class | 3a |
| Thread Diameter | 0.2500 |
| Thread Direction | Right-hand |
| Thread Length | 1.000 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNRF |
| Width Across Flats | 0.188 |
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 NAS1351-4-40P. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error