Worldwide distributor of NSN parts and consumables located in the USA.
Thread: 1/4-28, self locking nut with captive washer
National Stock Number (NSN) | 5310-01-139-3286 |
Alternate Part Number | N/A |
Federal Supply Class (FSC) | 5310 |
Unit of Measure (UOM) | 10 /Ea. |
Thread Class | 2b |
Thread Direction | Right-hand |
Locking Feature | Prevailing torque all metal design |
Washer Outside Diameter | 0.460 inches |
Lubrication | Soluble lubricant |
Overall Height | Between 0.271 inches and 0.291 inches |
Nut Style | Flat with turned up edge |
Nut Counterbore Depth | 0.072 inches and 0.087 inches |
Width Across Flats | Between 0.274 inches and 0.284 inches |
Tempurature Rating | 450.0 degrees fahrenheit |
Thread Series | Unjf |
Thready Qty Per Inch (tpi) | 28 |
Hardness Rating | Between 36.0 rockwell c and 45.0 rockwell c |
Thread Size | 0.250 inches |
Material | Steel comp 8740 |
Surface Treatment | Cadmium |
Specification Data | 80205-nas1726 professional/industrial association standard |
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