The Lumberg Automation RKF401-639 7F NPT female receptacle is a 4-pin, 1/2-inch NPT threaded female connector. It carries model RKF401-639 with the 7F designation and is identified by part number 500002146. This NPT female receptacle accepts mating components with a matching 1/2-inch NPT male thread, providing a secure threaded interface in Lumberg RKF-series assemblies. Use with compatible Lumberg RKF components to form a 4-pin, 1/2" NPT connection.
