Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 9040S-1 4HP 230 found under Pump Unit Centrifugal by Ruthman Machinery Co. The National Stock Number assigned to this part is 4320012285611, 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 9040S-1 4HP 230.