The United States Coast Guard is conducting market research through a Sources Sought Notice to identify potential suppliers for factory new Receiver-Transmitter Radar parts and Antennas for HC-130J aircraft. Responses are due by 12:00 PM EDT on 19 May 2026, and must be submitted via email. The required items include specific National Stock Numbers and part numbers, with quantities of two each. No budget information is specified in this notice. The location for performance of services is not mentioned.