Lampholder,Med Base SVCE(632,642,680, 632-2,642-2,
          685-2, 648PRO)
   NOTE:  Starting With #2054736 See 7024332
          From #1810000 to #2054736 See 3050200.
          Prior to Serial #1810000 See 7017874.
  648PRO  See 7024332