Patent ID: 7272873

Claim:
A fastener for coupling a component having a dog house engagement feature to a sheet metal aperture defined by a sheet of metal comprising: a body portion having a locking portion configured to be mated with the sheet metal aperture, said body portion having a dog house engagement portion; the dog house engagement portion defining a triangular engagement flange coupled to the body portion, the dog house engagement portion defining a cylindrical portion having a cylindrical portion centerline, the cylindrical portion operable for insertion into a circular dog house aperture defined by the dog house, the engagement flange being configured to follow the cylindrical portion and protrude from the circular doghouse aperture to contact an engagement surface defined on the dog house so as to minimize rotation of the body portion with respect to the dog house, said engagement surface adjoining the doghouse aperture, wherein the triangular engagement flange defining at least one surface being parallel to the cylindrical portion centerline.