The item consists of a gimbal, P/N 10545223, a synchro, P/N 10545009, a torque motor and connector, P/N 10545170, a synchro and connectors, P/N 10545030, a combining glass assembly, P/N 10545067, a link assembly, P/N 10545065, a mirror assembly, P/N 10545068, a gyro control unit, P/N 10545192, another mirror assembly, P/N 10545066, and assorted support hardware.