Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number W402 26 8 found under Spacer Ring by Rolls Royce Marine As Avd Norwinch. The National Stock Number assigned to this part is 5365251501993, 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 W402 26 8.