NSN: 6240-01-344-4797

Technical Characteristics

• Filament Heavy Duty Service Rating

  not rated

• Emitted Light Characteristic

  colorless

• Overall Length

  5.375 inches nominal

• Bulb Style

  a (arbitrary designation)

• Light Output Rating

  2580.000 lumens nominal single rating

• Burning Position

  any acceptable

• Base Style

  medium screw

• Wattage Rating

  135.000 watts

• Criticality Code Justification

  feat

• Filament Designation

  cc-8

• Voltage Rating

  130.000 volts nominal

• Rated Average Life

  hours

• Special Features

  energy saver

• Light Center Length

  4.062 inches nominal

• Bulb Light Transmission Characteristic

  transparent

• Bulb Designator

  a-21

• Average Life Rating In Hours

  750.0

• Current Rating For Which Designed

  1.038 amperes nominal