The Defense Logistics Agency (DLA) Aviation is conducting market research to identify companies capable of manufacturing or legitimately obtaining a specific Door Assembly (NSN 1560-00-953-0374, Part 364274-9) for the Hercules C-130 aircraft. This is a sources sought notice for informational purposes only and is not a formal solicitation or commitment to award a contract. The item is currently manufactured by Lockheed Martin and Airborne Technologies Inc. Companies interested in being qualified as an approved source must submit a Source Approval Request (SAR) package to demonstrate their capability. Responses to this market research notice are voluntary and must be emailed to the specified point of contact.