NATO Stock Number
5305-00-019-1676
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.483 inches and 0.594 inches
Fastener Length
Between 0.594 inches and 0.625 inches
Head Style
Hexagon
Head Height
Between 0.208 inches and 0.230 inches
Width Between Flats
Between 0.489 inches and 0.500 inches
Washer Quantity
1
Internal Drive Style
Slot
Thread Diameter
0.312 inches
Thready Qty Per Inch (tpi)
18
Primary Washer Outside Diameter
Between 0.567 inches and 0.590 inches
Primary Washer Style
Flat external teeth
Primary Washer Material Thickness
Between 0.028 inches and 0.034 inches
Material
Steel comp 4320h or steel comp 1050
Material Specification
Sae assn standard all material responses
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
