NSN: 6240-01-344-6976

Technical Characteristics

• Light Output Rating

  665.000 lumens nominal

• Average Life Rating In Hours

  8000.0

• Emitted Light Characteristic

  colorless

• Voltage Rating

  120.000 volts nominal

• Wattage Rating

  64.000 watts

• Bulb Light Transmission Characteristic

  transparent

• Current Rating For Which Designed

  0.533 amperes nominal

• Overall Length

  4.438 inches nominal

• Filament Heavy Duty Service Rating

  not rated

• Light Center Length

  2.438 inches nominal

• Base Style

  medium screw

• Bulb Style

  a

• Criticality Code Justification

  feat

• Bulb Designator

  a-21

• Rated Average Life

  hours

• Burning Position

  any acceptable

• Special Features

  watt-miser;krypton filled

• Filament Designation

  c,c-9