019-0511-303 is a red torpedo-shaped lens cap designed for Dialight Series 019 indicator lights. The cap features a back frosted lens style and is constructed from polycarbonate material with a polished chrome metal finish and watertight hardware. The mounting hole size is standardized at 1, and the cap is designed to fit the torpedo configuration of Series 019 indicators. This cap is commonly used in industrial control panels, signaling applications, and equipment where weather-resistant, durable lens protection is required, offering both functional protection and consistent optical diffusion through the frosted lens design.