3020-00-517-2255 (V305PC152)
NSN 3020-00-517-2255 (NIIN 00-517-2255) is a spur gear in Federal Supply Class 3020, Gears, Pulleys, Sprockets, And Transmission Chain — a gear, cylindrical in form, with straight teeth on the outer surface parallel to the axis of the gear. Manufacturer part number V305PC152 (Besser Company, CAGE 07061); also referenced as 478-07A (Joy Mfg Co Heavy Machinery Group).
Key specs: 89 to 93 rockwell c overall hardness; full characteristics table below. NIIN assigned January 1963; DEMIL A (none required); export Schedule B 8483.40.9000.