This is a sources sought notice for market research to identify potential sources for a new spares procurement of a pump unit (NSN 4320-01-373-7853FW, P/N U540325), with an estimated requirement of 8 each. The government is interested in responses from all business types, including small, small disadvantaged, 8(a), SDVOSB, HUBZone, and women-owned small businesses, and may consider breaking out the requirement by airframe. Potential sources must be capable of new manufacture, including furnishing labor, materials, facilities, equipment, inspection, testing, preservation/packaging, and shipping, and may also handle supply chain management and nonrecurring engineering costs. Performance will be at Tinker AFB, OK 73145. There is no solicitation available at this time, and the government does not intend to award a contract based on this market research.