FIG. 1 is a front perspective view of a dispensing pump head;

FIG. 2 is a front elevation view thereof; the broken line showing of elements behind the trigger and inside the shroud depicting environmental subject matter only and forming no part of the claimed design,

FIG. 3 is an elevation view of the rear thereof;

FIG. 4 is an elevation view of the right side thereof;

FIG. 5 is an elevation view of the left side thereof;

FIG. 6 is a plan view of the top thereof; and,

FIG. 7 is a bottom plan view thereof, the broken line defining boundary of the claimed design and forming no part thereof.