Pen needle outer cover

FIG. 1 is a perspective view of a pen needle outer cover;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a right side elevation view thereof, the left side elevation view being a mirror image;

FIG. 4 is a top view thereof; and,

FIG. 5 is a bottom view thereof.

The elements shown in dotted lines are provided for context only, and are not part of the claimed ornamental design.