Presolicitation DEPT OF DEFENSE DEPT OF THE NAVY is seeking a Total Small Business Set-Aside for the procurement of NSN 1H-9999-LLTRL5197, a control for PCM cooling. This item is intended for use on the USS MICHAEL MONSOOR DDG 1001. The Government does not own the data or rights to the data needed for this part from additional sources, making it uneconomical to buy or reverse engineer. Interested parties can obtain relevant documents from the DoD Single Stock Point 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.