Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 210B2173-6 found under Shaft Assembly by Tuthill Corporation. The National Stock Number assigned to this part is 2825003838063, 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 210B2173-6.