Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number FS12583 found under Seal Plain Encased by Parker Hannifin Corporation. The National Stock Number assigned to this part is 5330014491918, 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 FS12583.