Lamp,Blue Glass SVCE(BI-Series,700 Series,IC-27)
BI-Series  Use Prior to Serial #4380000.
           Starting With #4380000 See 7040396
700 Series Use Starting With Serial #3151471
           Prior to #3151471 See 7014658
 IC-27     Use Regardless of Serial Number
  736      Use Starting With Serial #2974500
           Prior to Serial #2974500 See 7014658