3020-00-808-5201 (GH12-60P1)
NSN 3020-00-808-5201 (NIIN 00-808-5201) 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 GH12-60P1 (Secs Inc, CAGE 23266); also referenced as J1-60 (Roller Bearing Co Of America, Inc); S21-60 (Designatronics Incorporated).
Key specs: 75 to 83 rockwell b overall hardness; full characteristics table below. NIIN assigned January 1960; DEMIL A (none required); export Schedule B 8483.40.9000.