Floating coaxial connector

An electrical connector 12 for snap-in mounting in an aperture 19 of a panel 13, comprises, a connector body 60 having an outer contact 69 and a passageway 62 receiving an outer conductor 26 of a coaxial cable 21, a grip ring 66 wedged against an internal wall of said passageway 62 and surrounding said outer conductor 26, a center contact 67 having a rearward portion for fitted connection with a center conductor 27 of the coaxial cable 21, a tapered surface 102 on a front end of said connector body 60 for impingement by a complementary connector 14 during mating, a split retention ring 79 surrounding the connector body 60 and being compressible inwardly during insertion into the aperture 19 of said panel 13 and thereafter expansible outwardly to engage the panel 13, a coil spring 83 surrounding the connector body 60 and having one end biased against the connector body 60 and the other end biased against said ring 79 to force the ring 79 against the panel 13, and a flange 77 on the connector body 60 for engaging against the panel 13.