A locking mechanism for a fastener is provided. The locking mechanism includes a lock nut, a lock member, and a lock washer. The lock nut is releasably coupled to the lock nut for rotation therewith. The lock member includes an annular body having a radially-extending detent member. The lock washer includes an axially-extending wall about a periphery of the lock washer. The axially-extending wall defines an inner cavity for receiving a portion of the annular body of the lock member therein and includes comprising a plurality of radially-extending notches defined therein. The notches are configured to receive the radially-extending detent member.