PR-3

Technical Characteristics

• ~1

  (t-37b); engine, aircraft tf33-p-3/5/9 (c/ec-135, b-

• Wattage Rating

  1.785 watts

• Light Output Rating

  1.500 spherical candlepower nominal single rating

• Burning Position

  any acceptable

• Bulb Designator

  b-3 1/2

• Filament Designation

  c-2r

• Average Life Rating In Hours

  15.0

• Base Style

  single contact miniature flanged

• Filament Heavy Duty Service Rating

  not rated

• Bulb Style

  b (arbitrary designation)

• Light Center Length

  0.250 inches nominal

• Voltage Rating

  3.570 volts nominal

• Overall Length

  1.250 inches nominal

• Rated Average Life

  hours

• Emitted Light Characteristic

  colorless

• Bulb Light Transmission Characteristic

  transparent

• Specification/Standard Data

  08108-pr3 manufacturers standard

• Current Rating For Which Designed

  0.500 amperes nominal

• End Item Identification

  engine, aircraft, j85-ge-5/13 (f-5a/b, t-38a); engine, aircraft, f100-pw-100 (f-15a/b/c/d); engine, aircraft, f100 pw220 (f-15c/d/e); engine, aircraft, t56-a-7/15 (c-130b/e/h/n/p); engine, aircraft, tf-33-p-7 (c-141a/b); engine, aircraft, j69-t-25