The 101-0972-003 is a translucent green lens cap from the 101 series, intended for watertight panel mount indicator applications. Constructed from high-impact plastic, this cap is designed to fit a 15/32-inch mounting hole and provide a sealed enclosure when used with a compatible base. It is suitable for indicator assemblies that utilize T-1 3/4 midget flange base incandescent lamps or based LED lamps. This component is ideal for use in industrial controls, equipment panels, and other systems requiring durable and reliable visual status indication in potentially wet environments.