screws › machine screws
NAS1801-3-21
Hex Head Screw
Description
Hex Head Screw
Specifications
| Country of Origin | USA |
|---|---|
| Fastener Length | 1.296 inches minimum and 1.343 inches maximum |
| Head Height | 0.105 inches minimum and 0.120 inches maximum |
| Head Style | Hexagon Head |
| Internal Drive Style | Cross recess type 1 |
| Length | 1 21/64 |
| Material | Steel |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| NIIN | 01-098-6119 |
| NSN | 5305-01-098-6119 |
| Screw Material | Steel comp 4340 or steel comp e4340 or steel comp 8740 |
| Screw Surface Treatment | Cadmium and chromate |
| Screw Surface Treatment Specification | Qq-p-416 type 2 cl 2 fed spec single treatment response |
| Sold In | EA |
| Specification Data | 80205-nas1801 professional/industrial association standard |
| Thread Class | 3a |
| Thread Diameter | 0.190 |
| Thread Direction | Right-hand |
| Thread Length | 1.232 inches minimum and 1.311 inches maximum |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series Designator | UNJF |
| Thread Size | 10 |
| Weight | 0.01 lb |
| Width Between Flats | 0.305 inches minimum and 0.314 inches maximum |
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.
- 3D0005-3-22 Commercial #10-32 · 0.073 in · Hexagon Head · Titanium
Looking for a specific part? Use the cross-reference lookup.
Catalog data updated 2026-07-05. Report a data error