Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 051144-33640 found under Belt Abrasive by 3M Company. The National Stock Number assigned to this part is 5345013371904, and the Federal Supply Class is 5345 Disks And Stones Abrasive. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 051144-33640.