screws › socket head cap screws
NAS1351-5-36
Socket Head Screw
Description
Fastener Length: 2-1/4", Thread: 1/4-24, Head Width: 1/4", Thread Length: 1-1/8"
Specifications
| Color | Black |
|---|---|
| Fastener Length | 2.210 inches minimum and 2.250 inches maximum |
| Hardness Rating | 38.0 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 | 2 1/4 |
| Material | Steel |
| Min. Tensile Strength (psi) | 170000 pounds per square inch |
| Minimum Yield Strength | 150000 pounds per square inch |
| Specification Data | 80205-nas1351 professional/industrial association standard |
| Surface Treatment | Oxide |
| Surface Treatment Specification | Mil-c-13924 cl 1 mil spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.312 |
| Thread Direction | Right-hand |
| Thread Length | 1.125 inches minimum |
| 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
Similar parts
Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.
- NAS1351-5-36P NAS 1/4-24 · 0.086 in · Flat chamfer · Steel
- NAS1351C5-36 NAS 1/4-24 · 0.086 in · Flat chamfer · CRES
- NAS1351C5-40 NAS 1/4-24 · 0.086 in · Flat chamfer · CRES
- NAS1351N5-36 NAS 1/4-24 · 0.086 in · Flat chamfer · Iron
- NAS1351N5-40 NAS 1/4-24 · 0.086 in · Flat chamfer · Iron
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Catalog data updated 2026-07-05. Report a data error