Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number S404FG-AP found under Housing Liquid Pump by Acme Products And Engineering Inc. The National Stock Number assigned to this part is 4320002385306, 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 S404FG-AP.