Steel, 17.500 in.O/a lg, 2.260 in.Id of body, 4.404 in.W of flange, .440 in.Hole dia, two holes on flange, 3.510 in.C to c distance between holes, one keyway .372 in.W, .083 in.Deep, 12.250 in.Lg, located 3.062 in.From flanged end, other end thd external, 2-1/4-11-1/2 npt