The APW199D-W-120V is a 22mm pilot light designed for industrial control panels and signaling applications. It features a white LED illumination rated at 120V AC, a corrosion-resistant octagonal chrome-plated locking bezel, and modular construction for maximum flexibility. The device includes snap-on 10A contacts and provides NEMA 4X and IP65 watertight/oiltight panel sealing, making it suitable for harsh industrial environments. Available as an assembled unit or as sub-components, this pilot light is UL Listed, CSA Certified, TUV Approved, and CE Marked, ensuring compliance with major international standards for reliable operation in automation and machine control systems.