This is a sources sought notice for market research, not a solicitation, regarding the spares procurement of a retainer for the F100 turbine engine platform. The government is seeking potential sources capable of the new manufacture of the item, including component fabrication, inspection, testing, packaging, and shipping. All business types, including small and disadvantaged businesses, are encouraged to respond, and the government may consider a small business set-aside or breakout by airframe. Performance of services, if awarded, would be at Tinker AFB, Oklahoma. No solicitation is currently available, and no budget amounts are specified.