Patent ID: 7753633

Claim:
A power seal bolt assembly, comprising: a bolt having a head, a head engagement flange, and a shaft extending from the head engagement flange having an unthreaded shaft portion proximate the head engagement flange and a threaded portion; and a polymeric compressible washer retainer, including: a retainer portion having flexible legs extending inwardly into a through aperture of the compressible washer retainer, the flexible legs adapted to flex to frictionally engage the retainer portion to the unthreaded shaft portion; and a compressible washer portion positioned between the retainer portion and the head engagement flange, the compressible washer portion adapted to axially compress upon application of a torque to the bolt; a washer slidably received on the unthreaded shaft portion of the bolt and in contact with the head engagement flange; a contact face of the compressible washer portion adapted to contact the washer; and a positive engagement feature created in the unthreaded shaft portion after installation of the washer, the positive engagement feature preventing removal of the washer.