This is a component of the Voyager 2 attitude/control systems. 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.
Transferred from NASA - Jet Propulsion Laboratory to the Museum in 1998.
This object is not on display at the National Air and Space Museum. It is either on loan or in storage.