Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 7 3 8 4083 18 found under Base Ring Assembly by Kingsbury Inc. The National Stock Number assigned to this part is 2825002282013, 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 7 3 8 4083 18.