Torque pads for aircraft brake systems and aircraft brake system including same

An aircraft brake system includes a torque tube, a plurality of spaced stators mounted on the torque tube, a wheel surrounding the torque tube and a plurality of rotors connected to the wheel and projecting into the spaces between adjacent ones of the stators. A backing plate mounted on the torque tube has a first side facing the rotors and a second side facing away from the rotors, and the second side includes a plurality of keyways. A plurality of torque pads are connected to the torque tube, each having a body with a first surface contacting the second side of the backing plate and at least one key projecting from the first surface into one of the plurality of keyways. Also a torque pad and a method of connecting a backing plate to a torque tube.