Eaton Push-Button Switches Extra actuator 629689 - Eaton 266163, The Eaton 266163 LSM-XS is an extra actuator featuring a spring-loaded rod, designed for precision operations. Manufactured by Eaton, it is often used in industrial settings where reliable switch actuation is critical. This durable component is typically applied in machinery requiring consistent control and safety mechanisms. Eaton 266163 LSM-XS Actuator Spring-Loaded Rod 1 piece