This sources sought notice from DLA Aviation seeks interest in manufacturing the CENTERING SOCKET, HUB ASSEMBLY (NSN 1615-01-158-9587). The only approved source is Sargent Aerospace & Defense; other parties must submit a Source Approval Request due to lack of complete technical data. The estimated requirement covers a 5-year base period. The government will use responses to determine whether to set aside for small businesses or pursue full and open competition. This is not a solicitation, and submission is voluntary.