A connector seal device includes, in one embodiment, a seal body extendable along an axis and configured to receive an end of a coupler. The coupler is configured to be rotatably coupled to a coaxial cable connector, and the seal body is configured to engage a portion of the coupler to establish a first environmental seal between the seal body and the coupler. The connector seal device also includes a seal neck integral with the seal body configured to extend along the axis beyond the end of the coupler. The seal neck is configured to engage an interface port to establish a second environmental seal between the seal neck and the interface port.