Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DR83591PC638 found under Seal Plain Encased by Garlock Sealing Technologies. The National Stock Number assigned to this part is 5330002906390, 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 DR83591PC638.