The Department of Defense, through the Defense Logistics Agency (DLA) Aviation Oklahoma City, is issuing a special notice for the procurement of an Oxygen System, Eject, identified by NSN 1660-01-534-4498BO. The requirement includes the provision of parts related to aircraft air conditioning, heating, and pressurizing equipment, specifically referencing top drawing 1659879-1 and EDL revision dated October 5, 2021. This procurement is critical for maintaining operational readiness and safety in military aviation. Interested vendors should refer to the solicitation information for further details and contact the designated personnel once the solicitation is approved for quotes.