The Department of Defense, through the Defense Logistics Agency (DLA) Aviation Oklahoma City, is issuing a Special Notice for the procurement of an oxygen regulator, specifically NSN 1660-01-407-8856BO. The requirement includes the provision of the specified item, which is critical for aircraft air conditioning, heating, and pressurizing systems, ensuring operational safety and efficiency in aviation environments. The procurement is based on the top drawing number 29270-10A-B2, with an EDL revision date of December 2, 2023. Interested vendors should refer to the solicitation information for further details and contact the designated personnel once the solicitation has been approved for quotes.