NSN: 6240-00-844-1758

Technical Characteristics

• Voltage Rating

  4.750 volts nominal

• Wattage Rating

  2.375 watts

• Burning Position

  any acceptable

• Bulb Designator

  b-3 1/2

• Filament Designation

  c-2r

• Average Life Rating In Hours

  15.0

• Light Output Rating

  2.000 spherical candlepower nominal single rating

• Bulb Style

  b (arbitrary designation)

• Light Center Length

  0.250 inches nominal

• Overall Length

  1.250 inches maximum

• Rated Average Life

  hours

• Emitted Light Characteristic

  colorless

• Bulb Light Transmission Characteristic

  transparent

• Current Rating For Which Designed

  0.500 amperes nominal

• ~1

  support equipment; helicopter, hh-53h pave low; air

• End Item Identification

  aircraft (ac-130h, mc-130h, ec-130e, hc-130); engine, aircraft, f100-pw-200 (f-16a/b/c/d); aircraft, eagle f-15; missile, minuteman lgm-30; aircraft, phantom f-4; engine, aircraft, tf-39-ge-1 (c-5a); engine, aircraft, f100-pw-100 (f-15a/b/c/d); u-2

• Base Style

  single contact miniature flanged

• Filament Heavy Duty Service Rating

  not rated