The Department of Defense, through the Defense Logistics Agency (DLA) Aviation in Oklahoma City, is issuing a special notice for the procurement of a Cooler, Lubricating, identified by NSN 2935-01-202-5339. This procurement is focused on acquiring components essential for aircraft engine cooling systems, which play a critical role in maintaining engine performance and reliability. The top drawing for this item is referenced as 8427707, with the latest revision dated April 14, 2021. Interested vendors should refer to the solicitation information for further details and are advised that quotes will be accepted once the solicitation has been approved by the contracting officer.