This is a sources sought synopsis for market research, not a solicitation, to identify potential sources for the new manufacture of a B-1B Transmission Mechan Platform spare part (NSN 1680011427636RK, P/N NF53300-03A). Interested vendors must register as interested parties to participate in this market research effort. Potential sources must be capable of furnishing all labor, materials, and equipment for manufacturing, inspection, testing, preservation, packaging, and shipping, and may handle supply chain management and nonrecurring engineering costs. The estimated spares requirement is 45 units, with a range of 11 minimum to 68 maximum, and this is a new spares buy with no repair requirement. Performance would occur at Tinker AFB, Oklahoma.