6.890" outside diameter 11 thread quantity per inch second mtg hole dia 0.625 in.; three unthreaded mtg holes on protrusions extending from body, 8.500 in. dia bolt circle; centrally located raised surface; round shape unc thread series
there is a total of 21 mounting holes; 2 w/0.064 in. nom dia; 4 w/0.156 in. nom dia; 3 w/0.371 in. nom dia; 2 w/0.172 in. nom dia; 2 w/0.400 in. nom dia; 2 w/0.344 in. nom dia; 2 w/0.371 in. nom dia; 2 w/0.187 in. nom dia; 2 w/0.188 in. nom dia rectangle