026-1113-203 is a convex translucent yellow lens cap designed for the Dialight 373 Series indicator base assembly. This component features mechanical dimming capability that provides adjustable intensity of light emission, with a full blackout option available. The lens cap is constructed with a convex design and translucent yellow coloring, meeting MIL-L-3661C requirements and offering watertight performance when properly assembled with the base and bulb. It is commonly used in ground vehicles, aircraft cockpits, naval vessels, power distribution centers, and surveillance systems where reliable visual indication with adjustable brightness is required.