A fiber optic connector comprising: a connector housing comprising a ferrule retaining portion, an adapter seating portion, an adhesive injection port in the adapter seating portion of the connector housing, and a longitudinal axis extending through the ferrule retaining portion of the connector housing and the adapter seating portion of the connector housing; and a cable adapter comprising an optical cable passageway, an optical fiber passageway, a housing insert portion structurally configured to be seated in the adapter seating portion of the connector housing to align the optical cable passageway and the optical fiber passageway with the longitudinal axis of the connector housing, an adhesive window in the housing insert portion in communication with the optical fiber passageway, and an adapter abutment structurally configured to limit an extent to which the cable adapter extends into the adapter seating portion of the connector housing, wherein the adapter abutment and the connector housing are structurally configured to form an adapter sealing interface (I 3) where the adapter abutment contacts an abutment facing surface of the connector housing, the cable adapter and the connector housing are structurally configured to form complementary keying surfaces that are positioned to align the adhesive injection port of the connector housing with the adhesive window of the cable adapter. a connector housing comprising a ferrule retaining portion, an adapter seating portion, an adhesive injection port in the adapter seating portion of the connector housing, and a longitudinal axis extending through the ferrule retaining portion of the connector housing and the adapter seating portion of the connector housing; and a cable adapter comprising an optical cable passageway, an optical fiber passageway, a housing insert portion structurally configured to be seated in the adapter seating portion of the connector housing to align the optical cable passageway and the optical fiber passageway with the longitudinal axis of the connector housing, an adhesive window in the housing insert portion in communication with the optical fiber passageway, and an adapter abutment structurally configured to limit an extent to which the cable adapter extends into the adapter seating portion of the connector housing, wherein an optical cable passageway, an optical fiber passageway, a housing insert portion structurally configured to be seated in the adapter seating portion of the connector housing to align the optical cable passageway and the optical fiber passageway with the longitudinal axis of the connector housing, an adhesive window in the housing insert portion in communication with the optical fiber passageway, and an adapter abutment structurally configured to limit an extent to which the cable adapter extends into the adapter seating portion of the connector housing, wherein the adapter abutment and the connector housing are structurally configured to form an adapter sealing interface (I 3) where the adapter abutment contacts an abutment facing surface of the connector housing, the cable adapter and the connector housing are structurally configured to form complementary keying surfaces that are positioned to align the adhesive injection port of the connector housing with the adhesive window of the cable adapter.