FIG. 1 is a perspective view of a new and ornamental design for a co-axial cable connector in its closed position, the internal details thereof being illustrated in phantom for environmental purposes only and form no part of the claimed design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a nut end view thereof;

FIG. 4 is a cable end view thereof; and,

FIG. 5 is a perspective view of the co-axial cable connector in its open position.