The 140-1473-003 is a watertight incandescent panel mount indicator designed for 15/32" mounting hole installations. It features a T-1 3/4 midget flange base incandescent lamp with an amber-colored high-impact plastic lens cap and black nickel-plated brass base. The indicator operates across a voltage range of 1.35 to 28 volts, providing flexibility for various electrical system requirements. With its watertight design and durable materials, this indicator is suitable for industrial control panels, equipment status displays, and applications requiring reliable visual feedback in demanding environments.