Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number WWS 13303-3421 found under Spacer Plate by Daimler Trucks North America Llc. The National Stock Number assigned to this part is 5365015755139, and the Federal Supply Class is 5365 Bushings Rings Shims And Spacers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like WWS 13303-3421.