NATO Stock Number
5310-01-287-3581
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
3b
Thread Direction
Right-hand
Washer Outside Diameter
Between 2.480 inches and 2.500 inches
Overall Height
Between 1.590 inches and 1.610 inches
Nut Style
Hexagon
Washer Thickness
Between 0.297 inches and 0.317 inches
Drilled Hole Diameter
Between 0.069 inches and 0.076 inches
Hole Type And Quantity
3 drilled
Width Across Flats
Between 1.739 inches and 1.752 inches
Thread Series
Unjf
Thready Qty Per Inch (tpi)
12
Hardness Rating
Between 39.5 rockwell c and 43.0 rockwell c
Thread Size
1.500 inches
Hole Configuration Style
Configuration b
Countersink Angle
90.0 degrees base
Material
Steel comp 4340
Material Specification
Ams 6414 assn standard single material response
Surface Treatment
Paint
Surface Treatment Specification
Mil-p-23377 military specification single treatment response except threads and mil-c-83286 military specification single treatment response except threads