An RF connector module and associated printed circuit board providing high isolation and controlled impedance at RF frequencies. A connection between a tube and a cast component is also provided. The server then multiplexes the back-up data and the identification tags onto a tape. The method can aid control of finishing while using organic lubricants, lubricating films, and lubricating boundary layers in the operative finishing interface. The detent assembly operative to secure the body whereby said plunger portion moves independent of said body.