NATO Stock Number
5305-00-042-3522
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.387 inches and 0.484 inches
Fastener Length
0.500 inches
Head Style
Hexagon
Head Height
Between 0.067 inches and 0.080 inches
Width Between Flats
Between 0.244 inches and 0.250 inches
Washer Quantity
1
Internal Drive Style
W/o internal drive
Thread Diameter
0.138 inches
Thready Qty Per Inch (tpi)
32
Hardness Rating
40.0 rockwell c primary washer and 50.0 rockwell c primary washer
Primary Washer Outside Diameter
Between 0.270 inches and 0.285 inches
Primary Washer Style
Flat external teeth
Primary Washer Material Thickness
Between 0.016 inches and 0.020 inches
Material
Steel
Surface Treatment
Cadmium or zinc
Surface Treatment Specification
Qq-p-416, type 1, cl3 federal specification 1st treatment response or qq-z-325, type 1, cl 3 federal specification 2nd treatment response
Thread Series Designator
Unc
