This is a Sources Sought notice for informational purposes only, not a request for proposals. The government is seeking manufacturers for a specific housing coupling (NSN 1680-016847580, Part Number 842-349221-3) used on the KC-46A aerial refueling tanker. Interested parties must provide the manufacturer’s location (city and state) and points of contact to Jalon Lynch at Jalon.Lynch@dla.mil. No budget amounts or performance location are specified in this notice. No submission deadlines are mentioned, as this is a voluntary market research effort.