The Air Force is seeking sources for the new manufacture of a circuit card assembly (NSN 5998-01-071-1203QD, P/N 484685) for the F-16 platform, with an estimated spares requirement of four units. This is a sources sought notice for market research only, not a solicitation, and no contract will be awarded from this notice. Interested parties must register as interested vendors to be considered participants. The work would be performed at Tinker AFB, Oklahoma, and the associated NAICS code is 336413 with a size standard of 1,250 employees. All business types, including small and disadvantaged firms, are encouraged to respond.