The C&K COMPONENTS part D6C90F2LFS is a high-quality SPST momentary key switch. This compact and durable switch is designed for applications that require a temporary electrical connection, such as momentary power control or device activation. The switch features a reliable single-pole single-throw (SPST) configuration, allowing for easy on-off operation. With its momentary action, the switch returns to its original position once released, making it ideal for applications where an intermittent or momentary connection is needed. The D6C90F2LFS key switch from C&K COMPONENTS is built to withstand prolonged use and offers excellent tactile feedback, ensuring a smooth and satisfying user experience.