Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 57042-1.625 found under Wheel Abrasive by Black And Decker Corp. The National Stock Number assigned to this part is 5345010346826, 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 57042-1.625.