The Defense Logistics Agency (DLA) Aviation is conducting market research to identify companies capable of manufacturing or legitimately obtaining a specific Metallic Particle Detector (NSN 2995-01-198-5450). This is a sources sought notice for informational purposes only and is not a formal solicitation or commitment to award a contract. The work is associated with the EDN weapon system, and the contracting office address is in Richmond, VA. Companies interested in being qualified as an approved source must submit a comprehensive Source Approval Request (SAR) package to demonstrate their product is equal or superior to the currently approved items.