This is a sources sought/market research notice for the new manufacture and spares procurement of a Transmission, Mechan Platform for the B-1B aircraft, referencing NSN 1680011414918RK and P/N NF53302-02B. The Air Force is seeking interested sources, including large and small businesses, to determine whether the effort could be competitive or a small business set-aside, but no solicitation is currently available and no contract will result from this notice. The estimated spares requirement is for 47 units, with a minimum quantity of 12 and maximum of 69, and this is a new buy with no repair requirement. Interested parties must register as interested vendors to participate in the market research. Performance would be at Tinker AFB, OK 73145, and the associated NAICS code has a 1,250-employee size standard.