Coax connector with spring contacts

A coax connector assembly that includes first and second mateable connectors that each includes center and outer coax contacts, wherein:

• said second connector has conductive coax center and outer pads with said center pad (34) lying along a coax axis (20) and said outer pad (36) being flat and spaced radially from said axis;
• said first connector is moveable primarily forward (F) along said axis towards said second connector to mate said connectors;
• said first connector has a plurality of spring contacts with front tips (66) that are each deflectable rearwardly, including at least one coax center spring contact (40) positioned to press against said second connector coax center pad, and at least one coax outer spring contact (42A, 42B, 42C, 42D) positioned to press against said second connector coax outer pad (36), said at least one outer spring contact extending less than 180° around said axis;
• said first connector has a flat conductive outer pad region (90) with at least one hole (53) through which said at least one coax outer spring contact projects;
• when said first and second connectors are mated, said second connector outer pad (36) and said first connector outer pad region (90) lie facewise adjacent to each other with any gap (92) between them being no more than 2 millimeters long.