Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CR0-00054 found under Seal Kit by Cross Manufacturing Co. The National Stock Number assigned to this part is 5330000062559, 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 CR0-00054.