Worldwide distributor of NSN parts and consumables located in the USA.
1/4-28 thread, self-locking, regular height, steel nut, cadmium plated, with dry-film lube, 450° f
National Stock Number (NSN) | 5310-00-857-5557 |
Alternate Part Number | N/A |
Federal Supply Class (FSC) | 5310 |
Unit of Measure (UOM) | 25 /Ea. |
Thread Class | 3b |
Thread Direction | Right-hand |
Locking Feature | Prevailing torque all metal design |
Lubrication | Dry film lubricant |
Nut Style | Hexagon |
Nut Height | 0.240 mils and 0.328 centimeters |
Width Across Flats | Between 0.430 inches and 0.439 inches |
Tempurature Rating | 450.0 degrees fahrenheit |
Thread Series | Unjf |
Thready Qty Per Inch (tpi) | 28 |
Thread Size | 0.250 inches |
Countersink Angle | 88.0 degrees nut |
Bearing Surface Type | Chamfered |
Bearing Surface Finish | 125.0 microinches |
Material | Steel |
Surface Treatment | Cadmium |
Surface Treatment Specification | Qq-p-416 federal specification single treatment response |
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