The 080-0531-303 is a watertight incandescent panel mount indicator designed for 1" mounting hole installations. It features a red polycarbonate cap with chrome-plated brass bezel and a chrome-plated brass base, providing durability and corrosion resistance in demanding environments. The indicator uses an S-6 candelabra screw base incandescent lamp with a voltage range of 6–250V, making it compatible with various electrical systems. The gasket-sealed design ensures watertight performance, protecting the internal components from moisture and environmental contaminants. This indicator is commonly used in industrial control panels, machinery status displays, and applications requiring reliable visual feedback with environmental protection.