3455-00-975-4780 (GGGR180TYPE3CLASS4GRADEA)
NSN 3455-00-975-4780 (NIIN 00-975-4780) is a machine reamer in Federal Supply Class 3455, Cutting Tools For Machine Tools. Manufacturer part number GGGR180TYPE3CLASS4GRADEA (Federal Specifications Promulgated, CAGE 81348).
Key specs: inserted flute; full characteristics table below. NIIN assigned January 1962; DEMIL A (none required); export Schedule B 8207.50.4060. Related NSN 3455-00-265-7113.