Presolicitation notice from the Department of Defense, Department of the Navy, for the procurement of a Comparator Module in repair/modification of electronic countermeasures, counter-countermeasures, and quick reaction capability equipment. The notice states that the Government intends to negotiate with only one source and interested parties may submit quotes. The Government does not own the data or rights to the data needed to purchase/contract repair of this part from additional sources. Interested parties should include their CAGE code on solicitation requests. Copies of Military and Federal Specifications and Standards, Qualified Products Lists (QPLs), Qualified Product Databases (QPDs), and other standardized documents can be obtained from the DoD Single Stock Point (DODSSP) in Philadelphia, PA. The proposed contract action is for supplies or services for which the Government intends to solicit and negotiate with only one source. All responsible sources may identify their interest and capability to respond to the requirement or submit proposals, quotations, or capability statements.