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NAS1726-4E
Locking Assembled Washer Nut Self
Description
Self Locking Nut
Specifications
| Hardness Rating | Between 36.0 rockwell c and 45.0 rockwell c |
|---|---|
| Locking Feature | Prevailing torque all metal design |
| Lubrication | Soluble lubricant |
| Material | Steel |
| NIIN | 01-139-3286 |
| NSN | 5310-01-139-3286 |
| Nut Counterbore Depth | 0.072 inches and 0.087 inches |
| Nut Style | Flat with turned up edge |
| Overall Height | Between 0.271 inches and 0.291 inches |
| Specification Data | 80205-nas1726 professional/industrial association standard |
| Surface Treatment | Cadmium |
| Temperature Rating | 450.0 degrees fahrenheit |
| Thread Class | 2b |
| Thread Direction | Right-hand |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series | Unjf (fine thread with external controlled root radius) |
| Thread Size | 0.250 |
| Washer Outside Diameter | 0.460 |
| Weight | .004 lb |
| Width Across Flats | Between 0.274 inches and 0.284 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 NAS1726-4E. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error