2brass, 0.812 in. Of, 0.625 in. Id, 1.281 in. O/a lg, two internal grooves, 180.0 degrees apart, 0.125 in. W, 0.047 in. Deep, four 0.312 in. Diameter holes, 90.0 degrees apart, located 0.281 in. From center to end, other end counterbored @0.719 in. Dia, 0.125 in. Deep