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NAS1802-4D6
Machine Screw
Description
Fastener Length: 13/32", Hole Diameter: 3/64", Thread: 1/4-28, Thread Length: 23/64"
Specifications
| Drive Style | Cross |
|---|---|
| Fastener Length | Between 0.359 inches and 0.406 inches |
| Head Height | Between 0.125 inches and 0.140 inches |
| Head Hole Configuration Style | Hexagon corners |
| Head Style | Hexagon Head |
| Hole Diameter | Between 0.046 inches and 0.056 inches |
| Hole Quantity | 3 |
| Internal Drive Style | Cross recess type 1 |
| Material | Iron |
| Material Specification | Ams5731 assn standard single material response |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Specification Data | 80205-nas1802 professional/industrial association standard |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Qq-p-35 federal specification single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.295 inches and 0.374 inches |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series | UNJF |
| Thread Series Designator | Unjf (fine thread with external controlled root radius) |
| Thread Size | 1/4 |
| Width Between Flats | Between 0.367 inches and 0.376 inches |
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 NAS1802-4D6. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error