screws › machine screws
NAS1802-04-16
Screw
Description
Fastener Length: 0-63/64", Thread: 4-40, Thread Length: "
Specifications
| Bearing Surface Of Head Surface Finish | 32.0 microinches |
|---|---|
| Fastener Length | 0.984 inches minimum and 1.031 inches maximum |
| Head Height | 0.049 inches minimum and 0.060 inches maximum |
| Head Style | Hexagon Head |
| Internal Drive Style | Cross recess type 1 |
| Length | 0 63/64 |
| Material | Iron |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Screw Material | Iron alloy 660 |
| Screw Material Specification | Ams5731 assn std single material response or ams5737 assn std single material response |
| Screw Surface Treatment | Passivate |
| Screw Surface Treatment Specification | Qq-p-35 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.112 |
| Thread Direction | Right-hand |
| Thread Length | 0.870 |
| Thread Qty | 40 |
| Thread Qty Per Inch (tpi) | 40 |
| Thread Series Designator | UNJC |
| Thread Size | 4 |
| Thread Surface Finish | 32.0 microinches |
| Width Between Flats | 0.181 inches minimum and 0.189 inches maximum |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS1802-04-16. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error