5120-00-888-3361 (0198)
NSN 5120-00-888-3361 (NIIN 00-888-3361) is a socket head screw key in Federal Supply Class 5120, Hand Tools, Nonedged, Nonpowered — a hand tool designed to impart a rotary movement of force for installing or removing socket screw products. Manufacturer part number 0198; also referenced as 2149780 (Navair And Navsea Managed Original).
Key specs: 40 rockwell c minimum and 50 rockwell c maximum hardness; full characteristics table below. NIIN assigned January 1963; DEMIL A (none required); export Schedule B 8204.20.0000; ships at 0.005 lb / 0.001 cu ft.