Self-contained viscous liquid dispenser

A viscous liquid spout includes a box that defines an internal liquid reservoir. A dispensing pump mechanism is located at least partially within the reservoir and has a supply end that extends out of the reservoir. A mounting mechanism is configured as an integral component of the box and provides the dispenser with the ability to be detachably connected to the complementary mounting structure on the surface wall. A unique assortment pump mechanism is also provided for use with any form of viscous liquid dispenser.