Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SMS-1052437 found under Sleeve Shaft Pump by Salem Manufacturing And Sales Inc. The National Stock Number assigned to this part is 4320001052437, 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 SMS-1052437.