A coaxial connector assembly comprising: a connector module having a connector body that includes contact cavities extending between a front side and a rear side of the connector body, the front side facing in a mating direction along a mating axis, the connector module having a cover coupled to the rear side of the connector body, the cover having openings aligned with corresponding contact cavities; a plurality of coaxial contacts received in corresponding contact cavities, each coaxial contact having a signal element and an outer contact being coaxial with the signal element and electrically isolated from the signal element by an insulator, the outer contact having a cable segment configured to be coupled to a corresponding coaxial cable and a mating segment presented along the front side of the connector body for engaging corresponding mating contacts of a mating connector, the cable segment having a front section and a rear section, the front section having a smaller diameter than the rear section, the rear section located rearward of the cover and receiving the coaxial cable, the front section passing through the corresponding opening in the cover into the corresponding contact cavity to engage the mating segment to mechanically and electrically connect the cable segment and the mating segment of the outer contact; biasing springs coupled to each of the coaxial contacts, the biasing springs being located between the cover and the mating segment of the corresponding coaxial contact to bias the coaxial contact in the mating direction; and a washer having a front and a rear, characterized in that the washer is coupled to the front section, the biasing spring engaging the front of the washer, the rear of the washer engaging the cover, and the washer including tabs at the rear that are separated by gaps, the tabs being configured to engage the cover to locate the washer relative to the cover; and the cover includes flanges along the openings, the flanges having seating surfaces that receive and support the corresponding washers. a connector module having a connector body that includes contact cavities extending between a front side and a rear side of the connector body, the front side facing in a mating direction along a mating axis, the connector module having a cover coupled to the rear side of the connector body, the cover having openings aligned with corresponding contact cavities; a plurality of coaxial contacts received in corresponding contact cavities, each coaxial contact having a signal element and an outer contact being coaxial with the signal element and electrically isolated from the signal element by an insulator, the outer contact having a cable segment configured to be coupled to a corresponding coaxial cable and a mating segment presented along the front side of the connector body for engaging corresponding mating contacts of a mating connector, the cable segment having a front section and a rear section, the front section having a smaller diameter than the rear section, the rear section located rearward of the cover and receiving the coaxial cable, the front section passing through the corresponding opening in the cover into the corresponding contact cavity to engage the mating segment to mechanically and electrically connect the cable segment and the mating segment of the outer contact; biasing springs coupled to each of the coaxial contacts, the biasing springs being located between the cover and the mating segment of the corresponding coaxial contact to bias the coaxial contact in the mating direction; and a washer having a front and a rear, characterized in that the washer is coupled to the front section, the biasing spring engaging the front of the washer, the rear of the washer engaging the cover, and the washer including tabs at the rear that are separated by gaps, the tabs being configured to engage the cover to locate the washer relative to the cover; and the cover includes flanges along the openings, the flanges having seating surfaces that receive and support the corresponding washers.