Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DRUM EXPANDING 1 found under Drum Abrasive Band by Merit Abrasive Products Inc. The National Stock Number assigned to this part is 5350010113732, and the Federal Supply Class is 5350 Abrasive Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like DRUM EXPANDING 1.