Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number FR-26014000621 found under Ring Piston by Man Diesel And Turbo France. The National Stock Number assigned to this part is 2815015471744, and the Federal Supply Class is 2815 Diesel Engines And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like FR-26014000621.