The Department of Defense, through the Defense Logistics Agency (DLA) Aviation at Philadelphia, PA, is soliciting proposals for the procurement of discharge valves for aircraft, specifically identified as item number 16--VALVE, DISCHARGE, AIR. The contract requires compliance with various quality assurance provisions, including ISO 9000 standards, and mandates that all offers come from government-approved sources, with specific documentation required for distributors. These valves are critical components in aircraft air conditioning, heating, and pressurizing systems, underscoring their importance in maintaining operational readiness. Interested vendors should direct inquiries to Malcolm Fils at 215-737-0422 or via email at MALCOLM.FILS@DLA.MIL, with proposals due within the specified timeframe outlined in the solicitation.