Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 05017547B found under Sleeve Shaft Pump by Grundfos Cbs Inc. The National Stock Number assigned to this part is 4320013353430, and the Federal Supply Class is 4320 Power And Hand Pumps. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 05017547B.