NATO Stock Number
5306-00-017-8785
Sold in multiples of
100 EA
DEMIL
NO
Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.500 inches
Fastener Length
0.500 inches
Head Style
Hexagon
Head Height
Between 0.172 inches and 0.190 inches
Width Between Flats
Between 0.428 inches and 0.438 inches
Washer Quantity
1
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
20
Hardness Rating
40.0 rockwell c and 50.0 rockwell c
Primary Washer Outside Diameter
Between 0.462 inches and 0.474 inches
Primary Washer Style
Flat external teeth
Primary Washer Material Thickness
0.025 inches
Material
Steel
Surface Treatment
Cadmium or zinc
Thread Series Designator
Unc