FIG. 1 is a front elevational perspective view of a nozzle end cap showing the new design; FIG. 2 is left side view of the nozzle shown in FIG. 1; FIG. 3 is a right side view of the nozzle shown in FIG. 1; FIG. 4 is a back side view of the nozzle shown in FIG. 1; FIG. 5 is a front side view of the nozzle shown in FIG. 1; FIG. 6 is a top planar view of the nozzle shown in FIG. 1; and, FIG. 7 is a bottom planar view of the nozzle shown in FIG. 1.