This urine transfer assembly was intended to be part of the waste containment system of the Apollo spacecraft but was never used on a mission. Astronauts urinated through a rubberized roll-on cuff attached to the cylindrical metal intake valve. The bag was emptied of urine by connecting a hose from the spacecraft to the opposite end of the metal valve from the roll-on cuff. The system collected urine in a tank, which was routinely vented into space.
NASA transferred this urine transfer assembly to the Smithsonian in 1976.
This object is on display in Destination Moon at the National Air and Space Museum in Washington, DC.