Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4320-98-204-0946 found under Seal Plain by Nato Stock Number Assigned By An. The National Stock Number assigned to this part is 5330014137457, and the Federal Supply Class is 5330 Packing And Gasket Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 4320-98-204-0946.