NSN: 6240-00-944-2373

Technical Characteristics

• Bulb Designator

  a-21

• Wattage Rating

  100.000 watts

• Emitted Light Characteristic

  white

• Voltage Rating

  277.000 volts nominal

• Average Life Rating In Hours

  1000.0

• Bulb Style

  a (arbitrary designation)

• Burning Position

  any acceptable

• Overall Length

  5.312 inches maximum

• Base Style

  medium screw

• Light Center Length

  3.875 inches nominal

• Special Features

  filament material tungsten

• Bulb Light Transmission Characteristic

  translucent

• Specification/Standard Data

  08108-100a-277v professional/industrial association specification

• Rated Average Life

  hours

• Filament Designation

  c-7a

• Current Rating For Which Designed

  0.361 amperes nominal

• Filament Heavy Duty Service Rating

  not rated

• Light Output Rating

  1180.000 lumens nominal single rating