Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 23329 found under Sleeve Shaft Pump by Crane Pumps And Systems Inc. The National Stock Number assigned to this part is 4320001035668, 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 23329.