1821

Technical Characteristics

• Current Rating For Which Designed

  0.170 amperes nominal

• Filament Heavy Duty Service Rating

  not rated

• Emitted Light Characteristic

  colorless

• Base Style

  miniature screw

• Average Life Rating In Hours

  500.0

• Burning Position

  any acceptable

• Voltage Rating

  28.000 volts nominal

• Light Output Rating

  3.400 spherical candlepower nominal single rating

• Wattage Rating

  4.760 watts

• Rated Average Life

  hours

• Bulb Light Transmission Characteristic

  transparent

• Bulb Style

  t (tubular)

• Bulb Designator

  t-3 1/4

• Filament Designation

  c-2f

• Overall Length

  1.190 inches maximum

• Light Center Length

  0.810 inches nominal