NSN: 6240-00-689-8504

Technical Characteristics

• Filament Heavy Duty Service Rating

  not rated

• Overall Length

  4.375 inches maximum

• Current Rating For Which Designed

  0.320 amperes minimum and 0.348 amperes maximum

• Bulb Style

  a (arbitrary designation)

• Specification/standard Data

  08108-40ab-115/125v manufacturers standard

• Emitted Light Characteristic

  blue

• Burning Position

  any acceptable

• Base Style

  medium screw

• Voltage Rating

  115.000 volts minimum and 125.000 volts maximum

• Rated Average Life

  hours

• Bulb Light Transmission Characteristic

  transparent

• Bulb Designator

  a-21

• Wattage Rating

  40.000 watts

• Filament Designation

  c-9

• Average Life Rating In Hours

  1000.0