Patent ID: 7699012

Claim:
A marine vessel thru hull seacock plug comprising in combination: a. a flexible tubing assembly that expands and mechanically binds to an irregular shaped thru hull fitting which has raised fins thus making the hole irregular b. an external flange with a dual continuous o-rings and a flexible beveled gasket connected to the flexible tubing assembly c. the flexible tubing assembly and external flange being connected together through a male-threaded rod d. the external flange having female threads which allow it to move along the male-threaded rod connecting it to the flexible tubing assembly e. the external flange making a watertight seal to the hull of a vessel when its dual o-rings and flexible gasket are compressed through rotation of the external flange along the threaded rod f. a locking nut which attaches to the male-threaded rod and holds the external flange securely in place.