This is a 100% small business set-aside for an Indefinite Quantity Contract (IQC) for a LINEAR ACTUATING CYLINDER HEAD, with a base period of 5 years and an estimated annual quantity of 440 each. Delivery is required 609 days after order, with inspection and acceptance at origin and FOB destination. The item requires access to unclassified data restricted to contractors certified via DD Form 2345 per DOD 5220.22M. The solicitation includes a reverse auction, and offerors are encouraged to self-register on the ProcureX system. Performance location is not specified, and no budget amount is provided.