General Dynamics Electric Boat Corp., Groton, Connecticut, is awarded a not-to-exceed $53,562,109 undefinitized contract action modification to previously awarded contract (N00024-17-C-2100) for Long Lead Time Material associated with the Virginia Class Submarine SSN 812. Work will be performed in Spring Grove, Illinois (15%); Orrville, Ohio (9%); Arlington, Texas (4%); Bozrah, Connecticut (3%); Warren, Massachusetts (3%); Monroe, North Carolina (3%); Jacksonville, Florida (2%); Florence, New Jersey (2%); Mansfield, Massachusetts (2%); Farmingdale, New York (2%); Norfolk, Virginia (1%); South Windham, Connecticut (1%); Benicia, California (1%); Salem, Ohio (1%); Yaphank, New York (1%); and other locations less than 1% (50%), and is expected to be completed by September 2033. Fiscal 2024 shipbuilding and conversion (Navy) funding in the amount of $53,562,109 will be obligated at time of award and will not expire at the end of the current fiscal year. This contract was not competitively procured. Naval Sea Systems Command, Washington, D.C., is the contracting activity.