NATO Stock Number
5320-01-603-9028
Sold in multiples of
DEMIL
NO
Thread Class
3a
Fastener Length
Between 1.6775 inches and 1.6975 inches
Head Style
Straight pan
Head Height
Between 0.068 inches and 0.078 inches
Shank Diameter
Between 0.3266 inches and 0.3276 inches
Shank Style
Stump
Head Major Diameter
Between 0.475 inches and 0.505 inches
Chamfer Length
0.0468 inches
Tip Diameter
Between 0.180 inches and 0.190 inches
Lubrication
Cetyl alcohol
Grip Length
Between 1.1825 inches and 1.1925 inches
Thready Qty Per Inch (tpi)
24
Min. Tensile Strength (psi)
6300 pounds per square inch
Thread Size
0.3125 inches
Part Name Assigned By Controlling Agency
Protruding shear head alloy steel 1/16 inch grip variation, 1/64 inch oversize
Material
Steel
Material Specification
Mil-s-5000 military specification single material response or mil-s-5626 military specification single material response or mil-s-6049 military specification single material response
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416, type 2, class 2, and cetyl alcohol lube per hi-shear specification 305 federal specification single treatment response
Thread Series Designator
Unjf