DLA Aviation is conducting market research for a matched seal ring, NSN 2840-01-223-1199, under NAICS 336412, to assess interest and capability for a potential long-term contract with a 5-year base period. Interested qualified parties should provide organization details and tailored capability statements covering manufacturing, inspection, testing, preservation/packaging, shipping, supply chain management, logistics planning, forecasting, long-lead procurement, and material shortage issues. Based on responses, the requirement may be set aside for small businesses or procured through full and open competition, and multiple awards may be made. The current approved source is Stein Seal Co. (CAGE 03673), part number SSCY7073-1; other contractors would need to submit a Source Approval Request package for approval. DLA Aviation does not possess complete technical data on this part.