NATO Stock Number
5305-00-022-8311
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.512 inches and 0.611 inches
Fastener Length
0.625 inches
Head Style
Round
Head Diameter
Between 0.240 inches and 0.260 inches
Head Height
Between 0.091 inches and 0.103 inches
Washer Quantity
1
Internal Drive Style
Cross recess type 1
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 0.280 inches
Primary Washer Style
Flat external teeth
Primary Washer Material Thickness
Between 0.014 inches and 0.020 inches
Material
Steel
Surface Treatment
Cadmium or zinc
Surface Treatment Specification
Qq-p-416, type 1, cl 3 federal specification 1st treatment response or qq-z-325, type 1, cl 3 federal specification 2nd treatment response
Thread Series Designator
Unc
