Thread Direction:Right-hand
Thread Length:0.323 inches nominal
Fastener Length:0.620 inches minimum and 0.650 inches maximum
Head Style:Flat countersunk
Head Diameter:0.266 inches minimum and 0.303 inches maximum
Grip Diameter:0.1885 inches minimum and 0.1895 inches maximum
Internal Drive Style:Cross recess type 1
Thread Diameter:0.190 inches
Grip Length:0.178 inches minimum and 0.198 inches maximum
Thready Qty Per Inch (tpi):32
Min. Tensile Strength (psi):180000 pounds per square inch
Countersink Angle:9.0 degrees minimum and 101.0 degrees maximum
Surface Finish:32.0 microinches bearing surface of head
Surface Finish:32.0 microinches grip
Material:Iron alloy 660 overall
Material Specification:Ams5731 assn std single material response overall or ams5737 assn std single material response overall
Surface Treatment:Passivate overall
Thread Series Designator:Unjc
Specification Data:80205-nas8703 professional/industrial association standard