Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number Y00R5151 FIGURE 7 REFERENCE 43A found under Seal Nozzle by Yanmar Diesel Engine Co Ltd. The National Stock Number assigned to this part is 2815995514160, 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 Y00R5151 FIGURE 7 REFERENCE 43A.