screws › close tolerance screws
NAS1133E4
Close Tolerance Screw
Description
Close Tolerance Screw
Specifications
| Fastener Length | Between 0.511 inches and 0.541 inches |
|---|---|
| Grip Diameter | Between 0.1885 inches and 0.1895 inches |
| Grip Length | Between 0.240 inches and 0.260 inches |
| Head Diameter | Between 0.357 inches and 0.373 inches |
| Head Height | Between 0.122 inches and 0.133 inches |
| Head Style | Pan Head |
| Internal Drive Style | High-torque |
| Material | Iron |
| Material Specification | Ams 5737 assn standard single material response |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Specification Data | 80205-nas1133 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 federal specification single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.190 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.251 inches and 0.301 inches |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series | UNJF |
| Thread Series Designator | Unjf (fine thread with external controlled root radius) |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- NAS1133E2
- NAS1133E3P
- NAS1133E4
- NAS1133E4P
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.
- NAS1133-4 NAS 17/32 in · Pan Head · Steel
Looking for a specific part? Use the cross-reference lookup.
Catalog data updated 2026-07-05. Report a data error