PART NUMBER A B C D E F G H
  DIAMETER AND THREAD
D-2500B-750X4000 3/4"-10 4" 1-3/8" 5/8" 11/16" 5/8" 1-5/8" 5"
D-2500B-750X5000 3/4"-10 5" 1-3/8" 5/8" 11/16" 5/8" 1-5/8" 5"
D-2500B-750X5250 3/4"-10 5-1/4" 1-3/8" 5/8" 11/16" 5/8" 1-5/8" 5"