Eiko 1866 Bulb | 0.25 Amp, 6.3 Volt, 1.58 Watts, B3.25, BA9S Base

This incandescent bulb with ANSI code 1866 uses 0.25 amps, 6.3 volts, and 1.58 watts. It has a B3.25 lamp shape, and BA9S base. The 1866 bulb has an average rated life of 5000 hours.