Round shaped, 5.156 in. O/a dia, material of housing and cover aluminum qq-a-601, alloy 356 temper t4 or alloy 195 temper t4, shaft 1.875 in. O/a lg, 1.123 in. O/a dia, material steel qq-s-633 composition c1010 to c1020, control wheel 3.813 in. O/a dia, material steel qq-s-633 composition c1006 to c1020