Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BASS DRUM MBD1320T found under Drum Bass by Yamaha Corp Of America. The National Stock Number assigned to this part is 7710015708729, 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 BASS DRUM MBD1320T.