This is a firm-fixed-price RFQ for the repair of a specific part, the COUPLING, SHAFT, FLEX, with a required Repair Turnaround Time (RTAT) of 229 days from asset receipt to acceptance. The government will add an option to increase the quantity of supplies, which can be exercised within 365 days. The contractor must be an authorized distributor of the original manufacturer's item and provide proof with their offer. Performance requires strict adherence to technical and quality specifications, including mercury-free requirements for submarine/surface ship use, and compliance with the Commercial Asset Visibility (CAV) system for shipping and reporting.