NSN: 6240-00-027-2373

Technical Characteristics

• Overall Length

  4.438 inches maximum

• Filament Heavy Duty Service Rating

  not rated

• Light Output Rating

  665.000 lumens nominal single rating

• Average Life Rating In Hours

  8000.0

• Emitted Light Characteristic

  colorless

• Light Center Length

  2.438 inches nominal

• Bulb Style

  a (arbitrary designation)

• Burning Position

  any acceptable

• Base Style

  medium screw

• Current Rating For Which Designed

  0.552 amperes nominal

• Special Features

  5min. 0n 10min feat. 0ff

• Rated Average Life

  hours

• Bulb Light Transmission Characteristic

  transparent

• Bulb Designator

  a-21

• Filament Designation

  c-9

• Voltage Rating

  125.000 volts nominal

• Wattage Rating

  69.000 watts