Apollo Command Module water container. Approx. 7 in. square, 3.5 in. thick, and labeled with part number SDB 40100062-203 and serial number 1050. The screw-on lid is labeled SDB 400100145-002 and serial number 1085. The container was made with a special notch taken out of the bottom to assist space utilization inside the Command Module and was a part of crew survival equipment.