The U.S. Coast Guard requires contractors to open, inspect, report on, and potentially overhaul five units of a specific antenna coupler (NSN 5985-01-549-7689) for its Medium Endurance Product Line, using only the OEM part number 798011-000-004 from Thales Mackay Radio Inc. The work must be performed in accordance with the Overhaul Description and OEM specs, with no substitute parts or proprietary data available from the government. Delivery is required by June 6, 2026, with all items shipped F.O.B. Destination to the Coast Guard facility at 2401 Hawkins Point Road, Baltimore, MD 21226. No budget amount is specified, but bidders must provide a total firm fixed price that includes an inspection fee and all shipping costs. Award will be made to the lowest-priced, technically acceptable offeror who is registered in SAM.gov and complies with all packaging, marking, and regulatory requirements.