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AS5178-04 Plain Hexagon Nut

ECCN: EAR99
Schedule: 7318.16.0085

Unit of Measure: EA

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Material

Steel comp 4130 or steel comp 4140

Surface Treatment

Type ii0class 2 federal specification single treatment response type ii0.qq-p-416 qq-p-416

Thread Class

3b

Thread Series

Unjf (fine thread with external controlled root radius)

Thread Size

0.437 inches

Bearing Surface Type: Chamfered
Material Specification: Ams 6370 assn standard single material response or ams 6382 assn standard single material response
Nut Height: 0.25 inches
Nut Style: Hexagon
Thread Direction: Right-hand
Thread Qty Per Inch (tpi): 20
Width Across Flats: Between 0.678 inches and 0.691 inches