The 394828 is a metal shell accessory specifically designed for use with M12 female circular connectors. This component is constructed from a durable, nickel-plated copper-zinc (CuZn) alloy. It features an assembly height of 9 mm and serves to provide mechanical protection and housing for the connector. As part of the M12 connector system, this shell is suitable for applications in industrial automation and sensor technology where robust and reliable connections are required.