This is a part of the Voyager 2 attitude/control system. It is a flight-qualified piece of spare hardware, which was used in laboratory simulations to resolve in-flight problems encountered by the Voyager spacecraft.
Voyager 2 was an unmanned space probe which, in 1986, passed close to the planet Uranus to transmit images of its surface.
NASA - Jet Propulsion Laboratory transferred this object to the Museum in 1999.
Transferred from NASA, Jet Propulsion Laboratory. Restricted.