Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 477987 found under Anode Corrosion Pre by Purolator Products Co Div Motor. The National Stock Number assigned to this part is 5340008042228, and the Federal Supply Class is 5340 Hardware Commercial. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 477987.