Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 845 2109897 PC 16 found under Packing Preformed by Electric Boat Corporation. The National Stock Number assigned to this part is 5330010216287, and the Federal Supply Class is 5330 Packing And Gasket Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 845 2109897 PC 16.