This is a sources sought notice for market research, not a solicitation, regarding the spares procurement of a rotor turbine (P/N 9547M19G13) for the F110 aircraft platform. The government seeks to identify capable sources for new manufacture, including parts procurement, inspection, testing, packaging, and potential supply chain management responsibilities. Interested parties must be qualified through a Source Approval Request (SAR) process. Performance would occur at Tinker AFB, Oklahoma. The estimated spares requirement period is June 2026 through June 2027.