This is a Sources Sought notice for market research to identify potential suppliers for the spare Vaneaxial Fan (NSN 4140-01-143-3520HS) used on the B-1B platform. The government seeks sources capable of new manufacture, inspection, testing, packaging, and shipping, with an estimated spares requirement of 9 units. Performance of the services would be at Tinker AFB, Oklahoma. There is no solicitation available at this time, and no budget amounts have been specified. Interested parties must register as interested vendors to participate in the market research.