This is a procurement for a salinity sensor for Virginia Class submarines, to be manufactured by Parker Hannifin Corporation. It is an unrestricted, Indefinite Quantity Contract (IQC) with a base period of 2 years and no option periods, with an estimated annual quantity of 40 units. The delivery timeline for production units is 325 days. The solicitation will be issued on or about April 02, 2026. The FOB is at origin, with inspection and acceptance at destination.