The Department of Defense, through the Defense Logistics Agency at DLA Aviation in Oklahoma City, is conducting market research to identify potential manufacturing sources for the Manifold Assembly No. 4, specifically for the F100 engine, identified by NSN 2840-01-387-2657NZ. This Sources Sought notice aims to gather information on the capabilities of interested companies, particularly focusing on small and disadvantaged businesses, to assess competitiveness and participation in future procurement opportunities. The Manifold Assembly is a critical component in aircraft engine manufacturing, underscoring the importance of reliable suppliers in maintaining operational readiness. Interested parties are encouraged to submit a Source Approval Request (SAR) to the Oklahoma City Small Business Office, detailing their capabilities and relevant experience, and should direct inquiries to 430scms.afmc.rfiresponses@us.af.mil, noting that responses will be publicly shared through FBO.