The Department of Defense, through the Defense Logistics Agency (DLA) Aviation Oklahoma City, has issued a special notice for the procurement of a Cylinder Assembly, A, identified by National Stock Number (NSN) 1650-01-042-3259. This procurement is focused on acquiring components related to aircraft hydraulic, vacuum, and de-icing systems, which are critical for maintaining the operational readiness and safety of military aircraft. The top drawing for this assembly is referenced as 1211178-005, with the latest revision dated May 26, 2022. Interested vendors should refer to the solicitation information for further details and contact Vivian Dinh for inquiries once the solicitation is approved and available for quotes.