FIG. 1 is an upper front left perspective view of the present new design for a male garden hose coupling;

FIG. 2 is an exploded upper front left perspective view thereof;

FIG. 3 is an exploded lower rear right perspective view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a front elevational view thereof;

FIG. 7 is a rear elevational view thereof; and,

FIG. 8 is a left side elevational view thereof which is identical to the right side elevational view thereof.

The broken lines showing various features of a male garden hose coupling are for illustrative purposes only and form no part of the claimed design.