NSN: 6240-01-358-6051

Technical Characteristics

• Special Features

  high krypton fill; a tubular crown watt-saver

• Bulb Designator

  at-19

• Filament Heavy Duty Service Rating

  extended service

• Filament Designation

  c-9

• Bulb Light Transmission Characteristic

  transparent

• Rated Average Life

  hours

• Voltage Rating

  120.000 volts minimum and 125.000 volts maximum

• Bulb Style

  bt (bulged tubular)

• Wattage Rating

  54.000 watts

• Base Style

  medium screw

• Light Output Rating

  640.000 lumens nominal single rating

• Criticality Code Justification

  csmc and agdv and afst

• Burning Position

  any acceptable

• Overall Length

  4.750 inches maximum

• Average Life Rating In Hours

  4500.0

• Emitted Light Characteristic

  colorless