NSN: 6240-00-023-4993

Technical Characteristics

• Overall Length

  4.438 inches maximum

• Filament Heavy Duty Service Rating

  not rated

• Bulb Style

  a (arbitrary designation)

• Features Provided

  filament shielding and heat resistant glass

• Base Style

  medium screw

• Average Life Rating In Hours

  6000.0

• Rated Average Life

  hours

• Bulb Light Transmission Characteristic

  transparent

• Bulb Designator

  a-21

• Emitted Light Characteristic

  white

• Filament Designation

  c-9

• Wattage Rating

  69.000 watts

• Burning Position

  base down to horizontal