Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 290-0000-B-873318 found under Bar Set Boring Tool by Rogers Tool Works Inc. The National Stock Number assigned to this part is 3460003943549, 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 290-0000-B-873318.