This notice is a market research request to identify sources capable of manufacturing NSN 2940-12-391-5954, a fluid filter, for a potential future long-term contract. It is not a solicitation or request for proposals. Interested parties must submit a completed Market Research Questionnaire to the Contract Specialist by May 11, 2026. The only currently approved source is GOLDHOFER AIRPORT TECHNOLOGY GMBH. No budget amount or performance location is specified.