Engineering/developmental hinged storage locker closure assembly associated with the Apollo Command Module Block II, measuring approximately 6.25" x 9.75", marked with part numbers and inspection stamps on the door and hinge plate: "R36-332089-15" and "R36-332089-5." An attached metal tag is etched: "R36-332089 Assy, Non Flt Hdw, 129-72 MU 28 116." The main door panel has a pull attached to the front and inset Camloc KM680 latch.