Provided are embodiments for an electrical connector system. Embodiments include an electrical connector and a support ring where the support ring includes a baseplate having a first side and a second side, a recessed portion on a first side of a baseplate for a primary O-ring, and a sidewall extending from the second base plate. Embodiments also include a housing coupled to the support ring, wherein the sidewall extends into the housing, wherein the support ring is coupled to the electrical connector on the first side, and the support ring is coupled to the housing on the second side. Also provided are embodiments for the support ring and assembling the electrical connector system.