3b thread class right-hand 0.496" err default 0.970" overall length three 0.040 in. dia lockwire holes drilled in hex head hexagon, internal thread, shouldered
3b thread class right-hand 1.062" thread length 1.437" overall length 90000.000 pounds per square inch tensile strength rating head-counterbored at 1.406 in. dia by 0.206 in. deep; head-internal recess, to accomodate packing, 0.190 in.w by 0.206 in. deep; shank-internal chamfer at thd entrance 0.045 in. by 45 deg hexagon, internal thread, shouldered
3a thread class left-hand 0.281" err default 0.938" overall length outer periphery of hub grooved, 3/4 in. od by 3/16 in. w, located 3/32 in. from groove edge to hub end hexagon, external thread, internal shoul der
