The C&K Components 464900201 is a knurled nut designed for use in a variety of toggle and pushbutton applications. It is manufactured from brass and typically nickel-plated, although other finishes are available. This nut is compatible with several bushing sizes and is essential for secure panel mounting. Proper tightening is crucial to prevent actuator binding, as noted in the manufacturer's documentation. This component is a vital part of many electromechanical assemblies.