The Defense Logistics Agency (DLA) Aviation is seeking companies capable of manufacturing or legitimately obtaining a specific hydraulic cylinder (NSN 1630-010829843), currently produced by Eaton Aerospace LLC and Sikorsky Aircraft Corporation. This is a sources sought notice for market research only, not a solicitation or request for offers, and no contract award will result from this announcement. No budget information is provided, and no funds are available to pay for response preparation. Responses must be received by June 5, 2026, at 6:00 AM Eastern Standard Time. The location for performance is not specified, and interested companies must contact the design control activity for source qualification.