The Department of Defense, through the Defense Logistics Agency, is conducting market research to identify potential manufacturing sources for the Hydraulic Unit Drive application for the F-16 aircraft, specifically NSN 1650-01-340-6328, Part Number 16M002-821. This Sources Sought Synopsis is aimed at determining the competitive landscape and potential for a Small Business Set-Aside, as well as gathering information on companies capable of manufacturing, testing, and delivering serviceable units, while managing supply chain logistics and obsolescence issues. Interested parties are encouraged to submit a Source Approval Request (SAR) to the Oklahoma City Small Business Office and provide details about their capabilities, including business size and any teaming arrangements, by contacting 430scms.afmc.rfiresponses@us.af.mil. This opportunity does not involve any funding at this stage, and no solicitation is currently available.