The ornamental design for an electrical connector part, as shown and described.
FIG. 1 is a front elevational view of an electrical connector part showing our new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a right side elevational view thereof;
FIG. 4 is a left side elevational view thereof; and
FIG. 5 is a bottom plan view thereof.
FIG. 6 is a front and top perspective view thereof; and
FIG. 7 is a front and bottom perspective view thereof; and,
FIG. 8 is a rear elevational view thereof.
The even-broken line in the drawings is included to show unclaimed environment only and forms no part of the claimed design. The dash-dot broken line represents the boundary of the claimed design.