MS21044D4 Self-Locking Hexagon Nut

Product Series
MS
ECCN
EAR99
Schedule
7318.16.0085
Unit of Measure: EA

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Material
Aluminum alloy 2014 nut or aluminum alloy 2017 nut or aluminum alloy 2024 nut or aluminum alloy 7075 nut
Thread Class
3b
Thread Series
Unjf (fine thread with external controlled root radius)
Thread Size
0.250 inches
Bearing Surface Finish
125.0 microinches
Bearing Surface Type
Chamfered or washer faced
Countersink Angle
88.0 degrees nut
Locking Feature
Prevailing torque with nonmetallic insert
Nut Height
0.240 mils and 0.360 centimeters
Nut Style
Hexagon
Tempurature Rating
250.0 degrees fahrenheit
Thread Direction
Right-hand
Thread Qty Per Inch (tpi)
28
Width Across Flats
Between 0.430 inches and 0.439 inches
Lubrication
Soluble lubricant