This opportunity involves the repair and overhaul of 15 units of NSN 6640 016582514, part number 3200-23, a motor/pump circulator, to a Ready for Issue condition. The contractor is responsible for supplying all necessary parts and materials, and performance must occur at the specified repair facility: ECI Defense Group Inc., 970 Progress Center Avenue, Lawrenceville, GA 30043-4803. Work must comply with applicable drawings and specifications, including MIL-STD-130 marking, MIL-STD-2073 packaging, and ISO 9001/SAE AS9100 quality system requirements. Special determinations such as beyond economical repair, missing on induction, and over-and-above repairs require Government/DCMA coordination and approval. A 12-month warranty applies, with defects reported within 60 days after discovery.