Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number EMERY230X280-A621P1200 found under Paper Abrasive by Norton Co. The National Stock Number assigned to this part is 5350013881375, 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 EMERY230X280-A621P1200.