Blue metal elbow connector produced by Air-Lock for the Apollo spacesuit, 3.25 x 2.75 x 1.25, engraved with part numbers, “PN-4263B, SN-141.” Elbow connectors like this would be used to attach the oxygen hose to the Portable Life Support System (PLSS). In fine condition, with expected wear from use, including scuffing to part numbers.
