Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 0520 found under Grooving Machine Sheet Metal by Rw Acquisition Llc. The National Stock Number assigned to this part is 3441002630074, and the Federal Supply Class is 3441 Bending And Forming Machines. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 0520.