NSN: 6240-01-190-5344

Technical Characteristics

• Filament Heavy Duty Service Rating

  rough service

• Bulb Style

  a (arbitrary designation)

• Burning Position

  any acceptable

• Current Rating For Which Designed

  0.625 amperes nominal

• Base Style

  medium screw

• Bulb Light Transmission Characteristic

  translucent

• Rated Average Life

  hours

• Filament Designation

  c-17

• Voltage Rating

  120.000 volts nominal

• Bulb Designator

  a-21

• Emitted Light Characteristic

  white

• Overall Length

  5.250 inches nominal

• Features Provided

  carbon filament

• Wattage Rating

  75.000 watts

• Average Life Rating In Hours

  1000.0