3020-01-300-3164 (F40B16)
NSN 3020-01-300-3164 (NIIN 01-300-3164) is a sprocket wheel in Federal Supply Class 3020, Gears, Pulleys, Sprockets, And Transmission Chain — a toothed wheel whose teeth or sprockets are designed to be engaged with the links of a pitch chain, track, or the like. Manufacturer part number F40B16; also referenced as F40B16 BORE 1.968 (Emerson Electric Co Browning Mfg Div).
Key specs: not rated hardness test method; full characteristics table below. NIIN assigned May 1989; DEMIL A (none required); unit of issue EA (each), $29.00 gov standard price; export Schedule B 8483.90.1000.