Apollo CM/SM umbilical disconnect with inert pyrotechnics, measuring 9.75″ x 10″ x 2″, unmarked on the front but marked on the reverse with part numbers including "V36-317165, 132-66-NC," "V36-317166," "V36-597020-31, 96-67-B." The panel has several circular ports at the top, with six pinned electrical ports below. The panel incorporated connections between the Command Module and Service Module that were pyrotechnically separated just prior to CM Earth reentry. In very good to fine condition.