Patent ID: 7114221

Claim:
A fastening system for coupling a flanged component to a metal structure comprising: a first body portion having a mating portion defining at least one pair of deformable members, each of the deformable members defining a tooth configured to be mated with the metal structure, said body portion having a retaining portion, the retaining portion defining a notch; and a metal retainer comprising a second body portion defining an engagement aperture having angled insertion walls and a pair of generally planar engagement surfaces coupled to the retaining portion and four locking members, each of said four locking members having a pair of generally parallel locking flanges, at least one of the locking flanges having a locking protrusion, the locking protrusion configured to releasably engage the flanged component, the second body portion defining a C-shaped raised portion for engagement with the retaining portion, wherein the metal structure defines an aperture, the tooth of each of the deformable members configured to engage the aperture, and the first body portion comprises an umbrella member coupled to the retaining portion, the umbrella member being configured to fluidly seal the aperture.