Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RL47SB10 found under Ring Lock Serrated by Alcoa Global Fasteners Inc. The National Stock Number assigned to this part is 5365002819221, 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 RL47SB10.