Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number YAMAHA YFH 2310S found under Flugelhorn by Yamaha Corp Of America. The National Stock Number assigned to this part is 7710015799208, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like YAMAHA YFH 2310S.