The Department of Defense, through the Defense Logistics Agency, is conducting market research to identify potential manufacturing sources for a Cooler, Lubricating application for the J85 engine, identified by NSN 2935-00-857-3659OK and Part Number 37D401061P107. This Sources Sought Synopsis aims to determine if the procurement can be competitive or set aside for small businesses, emphasizing the need for manufacturers to have produced similar items within the last 36 months and to submit a Source Approval Request (SAR) for qualification. The government is interested in responses from all business types, including small and disadvantaged businesses, and requires detailed information about the company’s capabilities, teaming arrangements, and past performance. Interested parties should submit their SARs and inquiries to 421SCMS.Requirements.workflow@us.af.mil, noting that no funds are available for this market research and that the information is subject to change.