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Nut MS21045L04

Description:

4-40 thread, self-locking, regular height, steel nut, cadmium plated, with dry-film lube, 450° f

MS21045L04 Details

National Stock Number (NSN) 5310-00-857-5558
Alternate Part Number N/A
Federal Supply Class (FSC) 5310
Unit of Measure (UOM) 10 /Ea.
Thread Class 3b
Thread Direction Right-hand
Locking Feature Prevailing torque all metal design
Lubrication Dry film lubricant
Nut Style Hexagon
Nut Height 0.133 mils and 0.157 centimeters
Width Across Flats Between 0.243 inches and 0.251 inches
Tempurature Rating 450.0 degrees fahrenheit
Thread Series Unjc
Thready Qty Per Inch (tpi) 40
Thread Size 0.112 inches
Countersink Angle 88.0 degrees nut
Bearing Surface Type Chamfered or washer faced
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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