120917 is part of C&K, a series of products manufactured and sold by C&K Components. C&K components specialize in the design, manufacture, and sale of electronic components, including switches, contactors, connectors, circuit breakers, and slide potentiometers. The product part number 120917 is a 4-pole latching pushbutton switch, which is a type of pushbutton switch that requires a user to press and hold the button to activate its operation. This type of switch is typically used in situations where a user needs to be certain of their action, such as in a system that requires multiple tasks to be activated in a specific order. It is rated for 16A at 125/250V AC and also includes necessary contact blocks.