The U.S. Coast Guard requires opening, inspecting, reporting, and overhaul/repair of three AC/DC power supply units (NSN 6130 01-500-4021) manufactured by Thales Mackay Radio Inc. The work includes providing a total firm fixed price for labor at a composite hourly rate, a material percentage, and an estimated repair schedule, with award to the lowest priced technically acceptable offeror. Delivery will be F.O.B. destination to the USCG Surface Force Logistics Center receiving facility in Baltimore, MD. Offerors must be registered in SAM and provide all-or-nothing quotes; substitute parts are not acceptable. An optional repair CLIN may be exercised after government review of the open and inspect report.