The Department of Defense, through the Defense Logistics Agency (DLA) Aviation Oklahoma City, is issuing a special notice for the procurement of a Converter, Liquid Ox, identified by NSN 1660-00-567-8852BO. This procurement is critical for maintaining aircraft air conditioning, heating, and pressurizing systems, ensuring operational readiness and safety. The top drawing for this item is MB5A, with the latest engineering data revision dated January 4, 2023. Interested vendors should refer to the solicitation information for further details and contact the designated personnel once the solicitation is approved for quotes.