The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking to procure 15 units of the Control Ram Valve (NSN 7R-1660-013998451-GF) under a presolicitation notice. 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 Control Ram Valve is critical for aircraft air conditioning, heating, and pressurizing systems, underscoring its importance in maintaining operational readiness. Interested parties should contact Abrianna Saleh at (215) 697-2560 or via email at abrianna.saleh@navy.mil for further details, with proposals due within 45 days of the notice publication.