Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3Y1-21475-00-00 found under Plate Engine Adjustment by Yamaha Corp Of America. The National Stock Number assigned to this part is 2540012919621, and the Federal Supply Class is 2540 Vehicular Furniture And Accessories. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 3Y1-21475-00-00.