Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MIRCO-MESH REGULAR 4000GRIT found under Paper Abrasive by Micro Surface Finishing Prod Inc. The National Stock Number assigned to this part is 5350014431069, 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 MIRCO-MESH REGULAR 4000GRIT.