This is one of several components of the Voyager 2 attitude and control system. The items are flight-qualified spare hardware, which were 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's Jet Propulsion Laboratory transferred this artifact to the Smithsonian in 1999.
Transferred from NASA, Jet Propulsion Laboratory. Restricted.