Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AMS2431 AGB-18 found under Grain Abrasive by Society Of Automotive Engineers Inc. The National Stock Number assigned to this part is 5350000121869, 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 AMS2431 AGB-18.