Matl steel, black oxide finish, first end slotted 0.375 in. Id w of slot, 0.875 in. Lg, second end splined, 52 splines, 1.590 in. Major dia, 1.450 in. Minor dia, 0.500 in. Lg, shoulder splined end 1.450 in. Od, 0.250 in. Lg, body 1.250 in. Od, 1.000 in. Id, 1.000 in. Lg, 2.625 in. O/a lg