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NAS1726-7
Locking Assembled Washer Nut Self
Description
Thread Size: 1/2", Head Width: 1/2
Specifications
| Counterbore Diameter | 0.474 inches minimum nut and 0.484 inches maximum nut |
|---|---|
| Locking Feature | Prevailing torque all metal design |
| Material | Steel |
| Material Specification | Ams 5085 assn std single material response washer, Mil-s-6049 mil spec 1st material response nut or mil-s-5000 mil spec 2nd material response nut |
| Nut Counterbore Depth | 0.072 inches minimum nut and 0.087 inches maximum nut |
| Nut Style | Flat with turned up edge |
| Overall Height | 0.383 inches minimum and 0.403 inches maximum |
| Specification Data | 80205-nas1726 professional/industrial association standard |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416, cl 2, ty 2 fed spec single treatment response |
| Temperature Rating | 450.0 deg fahrenheit maximum |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread Qty | 20 |
| Thread Qty Per Inch (tpi) | 20 |
| Thread Series | UNJF |
| Thread Size | 0.438 |
| Washer Outside Diameter | 0.760 inches maximum |
| Width Across Flats | 0.492 inches minimum and 0.502 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 NAS1726-7. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error