Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number Y400E302 found under Gasket by Refinite Products Sales Inc. The National Stock Number assigned to this part is 5330003838709, 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 Y400E302.