Presolicitation notice from the Department of Defense, Department of the Navy, for the repair/modification of a valve assembly. The valve assembly, classified under the PSC industry code 4820, is typically used for controlling the flow of fluids in various systems. The notice states that the government intends to negotiate with only one source for this procurement. Interested parties can submit their interest and capability to respond to the requirement or submit quotes. The government does not own the data or rights to the data needed for additional sources. Interested parties should include their CAGE code on solicitation requests. Copies of relevant documents can be obtained from the DoD Single Stock Point. The proposed contract action falls under FAR 6.302-1, and all responsible sources may identify their interest and capability to respond to the requirement. The notice also mentions the inclusion of Free Trade Agreements and Trade Agreements clauses in the solicitation.