Blue metal oxygen manifold produced by Air-Lock to be used inside the torso of an Apollo spacesuit, measuring 4.75 x 3.25 x .75, engraved inside with part numbers, “PN-2134, SN-112.” In fine condition. Item has been additionally verified by an ILC Dover company historian. International Latex Corporation (ILC) produced the A7L spacesuit used throughout the Apollo program and continues to develop spacesuits for NASA to this day.