04 indicates 4 positions/pins. The 'P' (first) signifies a male connector (plug), the 'M' (second) indicates male contacts, the 'M' (third) refers to panel mount, and the 'P' (fourth) specifies PCB pin termination with a 180° assembly style. SF8001 is a manufacturer-specific code that specifies features such as a hexagonal backshell, PG9 receptacle nut thread, screw thread mating style, front-fastened design, and an IP68/IP69K ingress protection rating. M12 refers to a circular connector with a 12mm threaded diameter, and 'A' denotes A-coding, commonly used for sensors, actuators, and I/O connections.