screws › close tolerance screws
NAS1123-17
Close Tolerance Screw
Description
Close Tolerance Screw
Specifications
| Fastener Length | 1.323 inches minimum and 1.353 inches maximum |
|---|---|
| Grip Diameter | 0.1885 inches minimum and 0.1895 inches maximum |
| Grip Length | 1.052 inches minimum and 1.072 inches maximum |
| Hardness Rating | 36.0 rockwell c minimum and 40.0 rockwell c maximum |
| Head Diameter | 0.306 inches minimum and 0.313 inches maximum |
| Head Height | 0.103 inches minimum and 0.118 inches maximum |
| Head Style | Flat chamfer |
| Internal Drive Style | Offset cruciform (torque set) |
| Material | Steel |
| Material Specification | Mil-s-5626 mil spec single material response or mil-s-5000 mil spec 1st material response or mil-s-6049 mil spec 2nd material response |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Specification Data | 80205-nas1123 professional/industrial association standard |
| Surface Finish | 32.0 microinches bearing surface of head, 32.0 microinches grip, 32.0 microinches threads |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416 type 2 class 2 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.190 |
| Thread Direction | Right-hand |
| Thread Length | 0.251 inches minimum and 0.301 inches maximum |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series Designator | UNJF |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- NAS1123-5
- NAS1123-17
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS1123-17. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error