The Department of Defense, through the Defense Logistics Agency (DLA) Aviation, is conducting a sources sought notice to identify companies capable of manufacturing or obtaining specific National Stock Numbers (NSNs) related to weapon systems, including those for the C/K-135, E-3A AWACS, F/A-18, and F-16 aircraft. The NSNs are currently sole source to Honeywell and exclusively licensed to Boeing Distribution Services, Inc. (BDSI), with the procurement focusing on components such as bushings, rings, shims, and spacers, which are critical for maintenance and operational support of military aircraft. Interested vendors are invited to submit their capabilities by March 20, 2025, to the primary contact, Alesia Hayes, at alesia.hayes@dla.mil, as this notice serves as a preliminary market research effort and does not constitute a solicitation for offers.