This is a sources-sought notice for a long-term contract to supply NSN 4320-012698849, a seal assembly, shaft, with drawings available via a specified government link. The government does not possess complete technical data, so it intends to solicit only from approved sources under limited competition authority. The applicable NAICS code is 333912, with a business size standard of 1,000 employees. Responses to the market survey must be submitted by 4:00 p.m. EST on May 15, 2026. No budget information or performance location is specified.