screws › socket head cap screws
NAS1351N4-48
Socket Head Cap Screw
Description
Socket Head Cap Screw
Specifications
| Criticality Code Justification | Agav |
|---|---|
| Drive Style | Hexagon |
| End Application | Aircraft structural section |
| Fastener Length | 3.250 |
| Head Diameter | Between 0.365 inches and 0.375 inches |
| Head Height | Between 0.244 inches and 0.250 inches |
| Head Style | Flat chamfer |
| Internal Drive Style | Hexagon |
| Material | Steel |
| Material Specification | Ams 5731 assn standard single material response |
| Part Name Assigned By Controlling Agency | Socket head cap (inavy) screw |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Qq-p-35 federal specification single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 1.000 |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series | UNRF |
| 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 NAS1351N4-48. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error