AMETEK MODEL 84B HYDROSTATIC TANK LEVEL INDICATING
     SYSTEM ON T-AO CLASS OILERS.

     Description: Ametek Model 84B Hydrostatic Tank Level Indicating
     Systems are presently installed on all 187, 191, and 198 class unrep
     oilers operated by MSC. There is a total of 53 of these Ametek Model
     84B Hydrostatic Tank Indicating Systems on each unrep oiler.