Gas turbine engines and methods of securing rotating components therein with a threaded nut. The threaded nut is configured to releasably couple with a shaft to secure a rotating component thereon. The threaded nut may include a body having a bore extending therethrough defined by inner surfaces thereof, threads protruding from the inner surfaces configured to mate with threads of the shaft, and a nut face on an end of the body configured to contact a contact surface of the rotating component or another component in contact therewith and apply an axial load thereon that is sufficient to maintain a fixed axial position of the rotating component. The nut face includes a contoured surface configured to bias the axial load toward a radially outer portion of the nut face to reduce loading on a first of the threads of the shaft closest to the contact surface.

Gas turbine engines and methods of securing rotating components therein with a threaded nut. The threaded nut is configured to releasably couple with a shaft to secure a rotating component thereon. The threaded nut may include a body having a bore extending therethrough defined by inner surfaces thereof, threads protruding from the inner surfaces configured to mate with threads of the shaft, and a nut face on an end of the body configured to contact a contact surface of the rotating component or another component in contact therewith and apply an axial load thereon that is sufficient to maintain a fixed axial position of the rotating component. The nut face includes a contoured surface configured to bias the axial load toward a radially outer portion of the nut face to reduce loading on a first of the threads of the shaft closest to the contact surface.