B-042 permanent magnet brushless servo motors are designed to comply with military standards for high reliability and velocity accuracy. The B-042 is compact, light-weight and yet provides high torque. The motors are is designed for long-life operation in harsh environmental conditions. When mated with a positioning controller, the B-042 motors provides an accurate, dynamic response for demanding positioning systems. The built-in tacho-generator enables servo control, while a built-in fail-safe brake makes the B-042 the perfect choice for gun or turret control systems.