Presolicitation notice from the Department of Defense, Department of the Navy, for the repair/modification of flow control valves. The valves, powered by the NSN 7R-4810-015308060-QE, are required in a quantity of 7 each and will be delivered FOB origin. Interested parties can obtain relevant documents from the DoD Single Stock Point in Philadelphia, PA. The proposed contract action is intended for a single source under FAR 6.302-1. All responsible sources may express their interest within 45 days. The Government is not using FAR Part 12 policies for this procurement.