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NAS603-21
Screw
Description
Fastener Length: 1-1/4", Hole Diameter: 1/4"
Specifications
| Fastener Length | 1.250 |
|---|---|
| Head Diameter | 0.357 inches minimum and 0.373 inches maximum |
| Head Height | 0.122 inches minimum and 0.133 inches maximum |
| Head Hole Configuration Style | Round |
| Head Style | Dee |
| Hole Diameter | 0.190 inches maximum |
| Length | 1 1/4 |
| Material | Steel |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Part Name Assigned By Controlling Agency | Screw machine-aircraft, pan head, cruiform recess full |
| Screw Material | Steel comp 414 or steel comp 4340 or steel comp 8740 |
| Screw Material Specification | Mil-s-5626 mil std all material responses or mil-s-5000 mil std all material responses or mil-s-6049 mil std all material responses |
| Special Features | Point is flat and chamfered |
| Specification Data | 80205 - nas603 professional/industrial association standard |
| Thread Class | 3a |
| Thread Direction | Right-hand |
| Thread Series Designator | UNJF |
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS603-21. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error