Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number C4SB2 found under Rotor Turbine by Maritime Administration. The National Stock Number assigned to this part is 2825009502219, and the Federal Supply Class is 2825 Steam Turbines And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like C4SB2.