NSN: 6240-00-230-2716

Technical Characteristics

• Filament Heavy Duty Service Rating

  not rated

• Light Center Length

  2.438 inches nominal

• Bulb Style

  a (arbitrary designation)

• Voltage Rating

  127.500 volts nominal

• Features Provided

  filament shielding and heat resistant glass

• Average Life Rating In Hours

  5000.0

• Burning Position

  any acceptable

• Base Style

  medium screw

• Light Output Rating

  1075.000 lumens nominal single rating

• Bulb Light Transmission Characteristic

  translucent

• Rated Average Life

  hours

• Overall Length

  5.938 inches maximum

• Bulb Designator

  a-21

• Wattage Rating

  100.000 watts

• Emitted Light Characteristic

  white

• Filament Designation

  c-9