Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 8B8-5S17-17000000A IT4 found under Gasket by Cashco Inc. The National Stock Number assigned to this part is 5330014443052, 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 8B8-5S17-17000000A IT4.