The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking proposals for the procurement of solenoid valves, identified by NSN 7R-4810-013889969-VH, with a quantity of four units required for delivery FOB origin. This procurement is critical as the item is flight critical, necessitating Government source approval prior to contract award, and only previously approved sources will be considered for solicitation. Interested vendors must submit detailed technical data and source approval information as outlined in the NAVSUP WSS Source Approval Information Brochures, with offers that do not meet these requirements being disqualified. For further inquiries, potential bidders can contact Connor C. Lewis at (215) 697-4757 or via email at CONNOR.C.LEWIS@NAVY.MIL.