screws › machine screws
NAS1216-4E12
Screw
Description
Fastener Length: 3/4", Thread: 1/4-28, Thread Length: 3/4"
Specifications
| Fastener Length | 0.735 inches minimum and 0.765 inches maximum |
|---|---|
| Head Diameter | 0.477 inches minimum and 0.492 inches maximum |
| Head Height | 0.140 inches minimum and 0.150 inches maximum |
| Head Style | Pan no. 2 |
| Internal Drive Style | High-torque |
| Length | 3/4 |
| Material | CRES |
| Screw Material | Steel corrosion resisting |
| Screw Material Specification | Ams,5731 assn std single material response or ams,5732&jgaams,5737 a-286 assn std single material response |
| Screw Surface Treatment | Passivate |
| Screw Surface Treatment Specification | Qq-p-35 fed spec single treatment response |
| Special Features | Proc spec nas4002 |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.735 inches minimum and 0.765 inches maximum |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNJF |
| Thread Size | 1/4 |
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS1216-4E12. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error