Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number L422 found under Ring Retaining Join by Fmc Technologies Inc. The National Stock Number assigned to this part is 5365001729526, 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 L422.