The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking to procure 11 units of a modulating valve, identified by NSN 7R-2995-011594660-VH. This procurement requires engineering source approval to ensure the quality of the part, necessitating that the acquisition or repair be conducted by approved sources with unique design capabilities and manufacturing knowledge. The modulating valve is crucial for aircraft operations, and the government intends to solicit and negotiate with only one source under FAR 6.302-1, with proposals due within 45 days of the notice. Interested parties should contact Joshua J. Seltzer at (215) 697-2849 or via email at joshua.j.seltzer@navy.mil for further details regarding qualification requirements and submission processes.