This is a proposed sole-source contract for 1,872 units of a specific part to be delivered to the Portsmouth Naval Shipyard in Kittery, Maine. The Government intends to negotiate with only one source, but will consider capability statements from other responsible sources received within 45 days. Interested parties may also identify their capability to provide a commercial equivalent within 15 days of the notice. The item is a Level 1 part that must be acquired from approved sources with an inspection system conforming to MIL-I-45208A. The Government does not own the data rights for this part and has determined it is uneconomical to purchase them or to reverse-engineer the item.