National Item Identification Number
National Stock Number
Federal Supply Class
The detachable portion of a machine counterbore which includes the cutting edges and a special shank. The special shank is designed to accommodate a special holder. The cutter may have an integral pilot or be designed for an interchangeable pilot, which may or may not be included. For items with special holder included, use COUNTERBORE, MACHINE.
Commercial and Government Entity Code (Supplier Data)
NSN (National Stock Number) 5133-01-171-3935, 5133011713935 NIIN (National Identification Number) 01-171-3935, 011713935
Part Numbers (Reference Numbers)