screws › machine screws
NAS1802-4D43
Screw
Description
Fastener Length: 2-11/16", Hole Diameter: 1/32", Thread: 1/4-28, Thread Length: 2-11/16"
Specifications
| Fastener Length | 2.689 |
|---|---|
| Head Height | 0.125 inches minimum and 0.140 inches maximum |
| Head Hole Configuration Style | Hexagon flats |
| Head Style | Hexagon Head |
| Hole Diameter | 0.046 inches minimum |
| Hole Quantity | 6 |
| Internal Drive Style | Cross recess type 1 |
| Length | 2 11/16 |
| Material | Iron |
| Part Name Assigned By Controlling Agency | Screw |
| Screw Material | Iron alloy 660 |
| Screw Material Specification | Ams5731 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 | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 2.689 |
| 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 |
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 NAS1802-4D43. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error