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NAS1801-4-28
Machine Screw
Description
Length 1-25/32, Thread: 1/4-28, Material: Steel, Head Style: Hexagon, NAS1801 series screw
Specifications
| End Application | C130 amp cmb |
|---|---|
| Fastener Length | Between 1.734 inches and 1.781 inches |
| Head Height | Between 0.125 inches and 0.140 inches |
| Head Style | Hexagon Head |
| Internal Drive Style | Cross recess type 1 |
| Material | Steel |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Part Name Assigned By Controlling Agency | Machine screw |
| Surface Treatment | Cadmium |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | Between 1.718 inches and 1.750 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 |
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS1801-4-28. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error