Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A1 1-4LA1SER82473 found under Impeller Pump Centrifugal by Carver Supply Inc. The National Stock Number assigned to this part is 4320002621152, 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 A1 1-4LA1SER82473.