This is a market research survey for planning a potential future acquisition of a specific plain, slotted, hexagon nut (NSN 5310-01-526-0641, P/N B18243B10). The Army Contracting Command – Detroit Arsenal is seeking information on the interest and capabilities of businesses for its production. Responses to this survey are for planning purposes only and must be received no later than 20 February 2026. The government provides instructions for submitting and marking proprietary or confidential information within responses. Access to the technical data for this procurement requires certification under the United States/Canada Joint Certification Program.