screws › machine screws
NAS5901-28
Screw
Description
Fastener Length: 1-3/4", Thread: 6-32, Thread Length: 1-3/4"
Specifications
| Fastener Length | 1.690 inches minimum and 1.750 inches maximum |
|---|---|
| Hardness Rating | 36.0 rockwell c minimum and 40.0 rockwell c maximum |
| Head Height | 0.080 inches minimum and 0.083 inches maximum |
| Head Style | Dished hexagon |
| Internal Drive Style | Tri-wing recess |
| Length | 1 3/4 |
| Material | Steel |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Screw Material | Steel comp e4340 or steel comp 8740 |
| Screw Material Specification | Mil-s-5000 mil spec 1st material response or mil-s-6049 mil spec 2nd material response or ams6322 assn std 2nd material response |
| Screw Surface Treatment | Cadmium and chromate |
| Screw Surface Treatment Specification | Qq-p-416 type 2 class 2 fed spec single treatment response |
| Specification Data | 80205-nas5901 professional/industrial association standard |
| Thread Class | 3a |
| Thread Diameter | 0.138 |
| Thread Direction | Right-hand |
| Thread Length | 1.658 inches minimum and 1.750 inches maximum |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series Designator | UNJC |
| Thread Size | 6 |
| Width Between Flats | 0.243 inches minimum and 0.251 inches maximum |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- NAS5901-5
- NAS5901-6
- NAS5901-7
- NAS5901-8
- NAS5901-14
- NAS5901-28
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS5901-28. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error