The Defense Logistics Agency Weapons Support is conducting market research for NSN 6350-015773969, a sensing element for a fire detector system, with approved sources including AMEREX CORPORATION and OSHKOSH DEFENSE LLC. Responses to this Sources Sought Notice are due by June 8, 2026, at 6:00 PM Eastern time. No budget information is specified, and the location for performance of services is not mentioned. The government will use responses to determine the procurement method, which may result in a set-aside for small businesses or full-and-open competition. Interested parties must submit capability statements and a Source Approval Request if seeking to become an approved source.