This is a sources-sought notice for a long-term contract to supply a specific fuel shut-off valve (NSN 4810-010845981). The government intends to solicit only from the approved sources listed, as it lacks complete technical data for the part. The applicable NAICS code is 332911, with a business size standard of 750 employees. Responses to the market survey must be submitted by 4:00 p.m. EST on May 26, 2026. No budget information or performance location is specified.