Thread Class: 3a
Thread Direction: Right-hand
Fastener Length: 0.907 inches minimum and 0.927 inches maximum
Head Style: Err-090
Head Height: 0.045 inches minimum and 0.055 inches maximum
Width Between Flats: 0.079 inches minimum and 0.081 inches maximum
Shank Diameter: 0.189 inches minimum and 0.190 inches maximum
Shank Style: Pin-rivet, straight, threaded
Head Major Diameter: 0.295 inches minimum and 0.315 inches maximum
Grip Length: 0.567 inches maximum
Min. Tensile Strength (psi): 160000 pounds per square inch
Thread Size: 0.190 inches
Shear Strength: 95000 single pounds per square inch
Material: Steel comp e4340 overall or steel comp 4340 overall or steel comp 4140 overall or steel comp 8740 overall
Material Specification: Mil-s-5000 mil spec 1st material response overall or mil-s-5000 mil spec 2nd material response overall or mil-s-5626 mil spec 3rd material response overall or mil-s-6049 mil spec 4th material response overall
Surface Treatment: Cadmium overall
Surface Treatment Specification: Qq-p-416,ty 2,cl 3 fed spec single treatment response overall
Thread Series Designator: Unjf