The 66195074-001 is a metallic female connector with seven pins, used for the ultrasonic distance sensors heads 942-A4M. The 66195074-001 needs to be wired and soldered at the setup of the sensor. The 66195074-001 is included in every package of the 942 separate series (942 M3A...) but not in the spare ultrasonic heads (942-A4M..)