This is a sources sought notice for market research to identify potential sources for the new manufacture of an actuating cylinder (NSN 1650-00-321-6236, P/N 86063) for the F-15 aircraft, with an estimated spares requirement of 12 units. The performance location is Tinker AFB, Oklahoma (OK 73145). The government may consider breaking the requirement out by airframe and is interested in all business types, including small and disadvantaged businesses, with a NAICS size standard of 1,250 employees. Interested parties must use the “Add Me to Interested Vendors” button to be considered; no solicitation is currently available, and requests for a solicitation will not receive a response. The government does not intend to award a contract based on this market research and will use the information to determine an acquisition strategy.