Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D1587 found under Packing Preformed by Xchanger Manufacturing Corporation. The National Stock Number assigned to this part is 5330010422818, 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 D1587.