3020-00-528-1292 (44P200152)
NSN 3020-00-528-1292 (NIIN 00-528-1292) 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 44P200152 (Herley Chicago, CAGE 98738); also referenced as 458-740 (Northrop Grumman Systems Corporation).
Key specs: not rated hardness test method; full characteristics table below. NIIN assigned January 1963; DEMIL A (none required); export Schedule B 8483.90.1000.