Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number R3070-3 found under Gasket by Spicer Speciality Axle Division. The National Stock Number assigned to this part is 5330998337036, 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 R3070-3.