Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B74.2TY1 A24R14BF 9X1 8X3 4 found under Wheel Abrasive by American National Standards Inst. The National Stock Number assigned to this part is 3460000607373, and the Federal Supply Class is 3460 Machine Tool Accessories. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like B74.2TY1 A24R14BF 9X1 8X3 4.