Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number UC73-4X81-2X5-8X1 found under Packing Preformed by Freudenberg Nok General Partnership. The National Stock Number assigned to this part is 5330000179614, 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 UC73-4X81-2X5-8X1.