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NAS509L4 Plain Hexagon Nut

Product Series: NAS
ECCN: EAR99
Schedule: 7318.16.0000

Unit of Measure: EA

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Material

Steel

Surface Treatment

Cl 2 federal specification single treatment response type 2 qq-p-416

Thread Class

Thread Series

Unjf (fine thread with external controlled root radius)

Thread Size

0.250 inches

Bearing Surface Finish: 125 microinches
Bearing Surface Type: Chamfered or washer faced
Countersink Angle: 110.0 degrees both ends
Drilled Hole Diameter: Between 0.045 inches and 0.050 inches
Hardness Rating: Between 34.0 rockwell c and 38.0 rockwell c
Hole Configuration Style: Configuration b
Hole Type And Quantity: 3 drilled
Material Specification: Cond c4 military specification single material response mil-s-6758
Nut Height: 0.188 inches
Nut Style: Hexagon
Thread: 46756
Thread Direction: Left-hand
Thread Qty Per Inch (tpi): 28
Width Across Flats: Between 0.428 inches and 0.440 inches