The Department of Defense, through the Defense Logistics Agency, is conducting market research for the procurement of spare parts for the E-3 Aircraft, specifically a liquid indicator (NSN 6680-01-040-5979RK). This Sources Sought Synopsis aims to identify potential sources, including large, small, service-disabled veteran-owned, and women-owned small businesses, to inform the government's acquisition strategy for an estimated requirement of 25 units. The initiative is crucial for maintaining the operational readiness of the E-3 Aircraft and ensuring a competitive supplier marketplace for future contracting opportunities at Tinker Air Force Base, Oklahoma. Interested parties are encouraged to express their interest and provide company information by contacting 422 SCMS at 422.SCMS.AFMC.RFI@us.af.mil, noting that this effort does not guarantee contract awards.