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NAS222-32
Screw
Description
Thread: 1/4-28, Thread Length: 1/2"
Specifications
| Fastener Length | 2.016 inches minimum and 2.063 inches maximum |
|---|---|
| Head Diameter | 0.464 inches minimum and 0.493 inches maximum |
| Head Height | 0.133 inches minimum and 0.150 inches maximum |
| Head Style | Round Head |
| Internal Drive Style | Cross recess type 1 |
| Length | 2 1/16 |
| Material | Steel |
| Min. Tensile Strength (psi) | 125000 pounds per square inch |
| Screw Material | Steel comp 4037 or steel comp 8630 |
| Screw Surface Treatment | Cadmium |
| Screw Surface Treatment Specification | Qq-p-416,ty 1,cl 3 fed spec single treatment response |
| Specification Data | 80205-nas222 professional/industrial association standard |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.460 inches minimum and 0.487 inches maximum |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNF |
| Thread Size | 1/4 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
Interchangeable
Parts that share a National Stock Number or are listed as an alternate for NAS222-32 — functionally equivalent.
- MS27039-4-32 Listed alternate 1/4-28 · 0.086 in · Pan Head · Steel
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Catalog data updated 2026-07-05. Report a data error