The 081-0114-203 is a Dialight 373 Series indicator base designed for mounting in 11/16" clearance holes with watertight operation and mechanical dimming capability. The base features a T-3 1/4 miniature bayonet bulb socket, brass solder terminals with hot tinned elongated slots, and a brass housing with black nickel finish. It includes a mounting nut (brass, white nickel finish) and internal-tooth lockwasher (phosphor bronze, white nickel finish), with a panel cutout of 0.660" ± 0.003" and maximum projection of 1-45/64". The indicator base meets MIL-L-3661C requirements and is military compliant (MIL cross reference LH76/3), making it suitable for demanding applications including ground vehicles, aircraft cockpits, naval vessels, power distribution centers, and surveillance systems. The base is compatible with multiple lens cap options including translucent convex caps with mechanical dimming for adjustable light intensity control.