3.2500" overall length keyway in left end, right end counterbored 1.5910 in. min 1.5960 in. max dia by 0.1875 in. deep, 32 microinch surface finsih in counterbore 17c solid, plain, no outside flanges
0.3750" first hole diameter 3.6250" overall length counterbored right end 3.7700 in. min, 3.7710 in. max by 1.3750 in.lg, three holes 120 deg apart tapped 3/8-16 in. thd size 17c solid, plain, no outside flanges