This is an unrestricted solicitation for an Indefinite Quantity Contract for a CYLINDER & PISTON ASSEMBLY, with a 5-year base period and an estimated annual quantity of 40 units. The government intends to solicit and negotiate with only one or a limited number of sources, but all proposals received within 45 days of the synopsis publication will be considered. The item is subject to export control, and production units will be delivered FOB Destination with Inspection and Acceptance at Origin. The estimated solicitation issue date is July 17, 2026, when technical data will become available. No specific budget amount is provided, and the location for performance is not specified.