The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking proposals for the procurement of 174 units of flow control valves under the presolicitation notice titled "48--VALVE, FLOW CONTROL, IN REPAIR/MODIFICATION OF." This procurement involves the National Stock Number (NSN) 7R-4810-015208856-QE and is intended for supplies or services that will be solicited and negotiated with only one source, as per FAR 6.302-1. The valves are critical components used in various military applications, emphasizing the importance of reliability and compliance with military specifications. Interested parties are encouraged to submit their proposals or capability statements within 45 days of the notice, and they can contact Jeremy P. Barney at (215) 697-1234 or via email at JEREMY.BARNEY1@NAVY.MIL for further information.