508103000 is a red push-button actuator cap designed for EP and TP series switches featuring 0.100 inch diameter plungers. The cap is manufactured from nylon with a gloss finish, providing durability and a professional appearance. It has a nominal outer diameter of 0.200 inches (5.08 mm) and a height of 0.155 inches (3.94 mm), making it compatible with standard switch panel openings. This actuator cap is commonly used in industrial control panels, instrumentation, and consumer electronics where color-coded operator interfaces are required for easy identification and operation.