The Department of Defense, specifically the Department of the Navy, is seeking proposals for the manufacture of five duplex cylinders under solicitation number N00104-26-Q-YA1U. The procurement requires adherence to the Technical Data Package (TDP) and stipulates a delivery timeframe of 180 days post-contract award. These cylinders, classified under the PSC code 2090 for miscellaneous ship and marine equipment, are critical components for naval operations. Interested small business concerns must submit their proposals, including a completed and signed Request for Proposal (RFP), to the primary contact, Taylor M. Fasching, via email at TAYLOR.M.FASCHING.CIV@US.NAVY.MIL, prior to the closing date specified in the RFP. The opportunity is set aside exclusively for small businesses, in accordance with FAR 19.5 regulations.