The Department of Defense, through the Defense Logistics Agency (DLA Aviation), is seeking proposals for the procurement of the Cylinder Assembly (NSN 1615-010855319) for the HH-60 helicopter, encompassing all variations. This opportunity is a Total Small Business Set-Aside, aimed at acquiring an indefinite quantity contract (IQC) for a base period of five years, with an estimated annual requirement of 36 units, to be delivered 456 days after order placement. The Cylinder Assembly is critical for helicopter operations, and contractors must be certified by the DOD to access the necessary unclassified data. Interested parties can find the solicitation on the DLA Internet Bid Board System (DIBBS) around May 7, 2025, and should direct any inquiries to Tatjana Klemmer at Tatjana.Vaughan@dla.mil or by phone at 804-279-2727.