screws › socket head cap screws
NAS1351N5-12
Socket Head Cap Screw
Description
Fastener Length: 3/4", Thread: 5/16-24, Head Width: 1/4", Thread Length: 3/4"
Specifications
| Fastener Length | 0.720 inches minimum and 0.750 inches maximum |
|---|---|
| Hardness Rating | 33.0 rockwell c minimum and 42.0 rockwell c maximum |
| Head Diameter | 0.306 inches minimum and 0.312 inches maximum |
| Head Height | 0.306 inches minimum and 0.312 inches maximum |
| Head Style | Flat chamfer |
| Internal Drive Style | Hexagon |
| Length | 3/4 |
| Material | Iron |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Qq-p-35 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.312 |
| Thread Direction | Right-hand |
| Thread Length | 0.750 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 NAS1351N5-12. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error