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NAS1802-4-6
Machine Screw
Description
Fastener Length: 13/32", Thread: 1/4-28, Thread Length: 13/32", NAS1802 series screw
Specifications
| Fastener Length | 0.359 inches minimum and 0.406 inches maximum |
|---|---|
| Head Height | 0.224 inches minimum and 0.250 inches maximum |
| Head Style | Hexagon Head |
| Internal Drive Style | Cross recess type 1 |
| Length | 13/32 |
| Material | Iron |
| Screw Material | Iron alloy 660 |
| Screw Material Specification | Ams 5731 assn std 1st material response or ams s5737 assn std 2nd material response |
| Screw Surface Treatment | Passivate |
| Screw Surface Treatment Specification | Qq-p-35 fed spec 1st treatment response |
| Specification Data | 80205-nas 1802 professional/industrial association standard |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.359 inches minimum and 0.406 inches maximum |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNJF |
| Thread Size | 1/4 |
| Width Between Flats | 0.367 inches minimum and 0.376 inches maximum |
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS1802-4-6. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error