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Nut MS20500-428


Thread: 1/4-28, self-locking nut, heat resistant to 1200° , f, silver plated

MS20500-428 Details

National Stock Number (NSN) 5310-00-298-2747
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
Nut Style Hexagon
Nut Height Between 0.280 inches and 0.328 inches
Width Across Flats Between 0.430 inches and 0.439 inches
Tempurature Rating 1200.0 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 Stainless steel
Precious Material And Location All surfaces silver
Precious Material Silver
Surface Treatment Silver
Surface Treatment Specification Ams 2410 assn standard single treatment response

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