Abstract: An electrical connector comprises a connector body having two rows of terminal cavities which extend axially through the connector body. The connector body has a nose portion which comprises a plurality of ribs which define channels at the forward portions of the terminal cavities. An elastomeric seal ring is mounted on the connector body and extends across the channels to bias the terminals against the bottoms of the channels and into interference positions with respect to lock shoulders which retain the terminals in the rearward direction. A cap member mounted on the nose portion of the connector body retains the terminals in the forward direction, holds the terminals in their interference positions in the terminal cavities and fastens the elastomeric seal ring in the axial direction.