NSN: 6240-00-260-0392

Technical Characteristics

• Bulb Designator

  r-40

• Filament Heavy Duty Service Rating

  not rated

• Bulb Style

  r (reflector)

• Features Provided

  filament shielding and heat resistant glass

• Average Life Rating In Hours

  5000.0

• Burning Position

  any acceptable

• Wattage Rating

  375.000 watts

• Base Style

  medium screw skirted

• Emitted Light Characteristic

  infrared

• Voltage Rating

  115.000 volts minimum and 125.000 volts maximum

• Rated Average Life

  hours

• Bulb Light Transmission Characteristic

  transparent

• Special Features

  must be burned in porcelain lampholder

• Current Rating For Which Designed

  3.000 amperes minimum and 3.261 amperes maximum

• Filament Designation

  c-9

• Light Intensity Distribution Feature

  parabolic reflector

• Overall Length

  7.250 inches maximum