screws › close tolerance screws
NAS1122E3
Close Tolerance Screw
Description
Close Tolerance Screw
Specifications
| Fastener Length | 0.449 inches minimum and 0.479 inches maximum |
|---|---|
| Grip Diameter | 0.1625 inches minimum and 0.1635 inches maximum |
| Grip Length | 0.178 inches minimum and 0.198 inches maximum |
| Head Diameter | 0.265 inches minimum and 0.270 inches maximum |
| Head Height | 0.088 inches minimum and 0.102 inches maximum |
| Head Style | Pan no. 2 |
| Internal Drive Style | Offset cruciform (torque set) |
| Material | Iron |
| Material Specification | Ams5737 assn std single material response |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Specification Data | 80205-nas1122 professional/industrial association standard |
| Surface Finish | 32.0 microinches bearing surface of head, 32.0 microinches grip, 32.0 microinches threads |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Qq-p-35 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.164 |
| Thread Direction | Right-hand |
| Thread Length | 0.251 inches minimum and 0.301 inches maximum |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series Designator | UNJC |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- NAS1122E3
- NAS1122E6
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS1122E3. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error