The Department of Defense, through the Defense Logistics Agency, is conducting market research to identify potential sources for the manufacture of the "Indicator, Rate of Flow" (NSN 6620-01-278-8027, P/N 40-637-4), with an estimated requirement of 1,250 units. This procurement is focused on new spares, with no repair requirements, and aims to gather information from all business types, including small and disadvantaged businesses, to determine the best acquisition strategy. The goods are critical for aviation operations, emphasizing the importance of reliable engine instruments in military applications. Interested parties are encouraged to respond with their business information and may need to complete a Source Approval Request (SAR) package; however, no solicitation is currently available, and no contract will be awarded based on this market research. For further inquiries, interested vendors can contact the 422nd Supply Chain Management Squadron at Tinker AFB, OK, via email at 422.scms.afmc.rfi@us.af.mil.