Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 689-85547-00-00 found under Damper Out Board Mo by Yamaha Nippon Gakki Co Ltd. The National Stock Number assigned to this part is 1650016043387, and the Federal Supply Class is 1650 Aircraft Hydraulic Vacuum And De-Icing System Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 689-85547-00-00.