NATO Stock Number
5306-00-018-7979
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.650 inches
Fastener Length
0.750 inches
Head Style
Hexagon
Head Height
Between 0.172 inches and 0.190 inches
Width Between Flats
Between 0.428 inches and 0.437 inches
Washer Quantity
1
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
20
Hardness Rating
60.6 rockwell b and 67.6 rockwell b
Minimum Yield Strength
26000 pounds per square inch
Primary Washer Style
Flat external teeth
Primary Washer Material Thickness
Between 0.023 inches and 0.028 inches
Material
Steel comp 1010 or steel comp 1015 or steel comp 1016 or steel comp 1018 or steel comp 1019 or steel comp 1020
Surface Treatment
Cadmium or zinc
Thread Series Designator
Unc