Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number W2GRITSIZE400A16X16 found under Paper Abrasive by Imation Corp. The National Stock Number assigned to this part is 5350005038253, 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 W2GRITSIZE400A16X16.