3020-00-756-2014 (A18-995)
NSN 3020-00-756-2014 (NIIN 00-756-2014) is a gear cluster in Federal Supply Class 3020, Gears, Pulleys, Sprockets, And Transmission Chain — a cylindrical item having a full 360 degree (6.282 radians) complement of teeth on two or more surfaces. Manufacturer part number A18-995 (Astec Industries Inc, CAGE 61790); also referenced as 18-995 (Barber-Greene Co).
Key specs: 55 to 60 rockwell c teeth hardness; full characteristics table below. NIIN assigned February 1968; DEMIL A (none required); unit of issue EA (each), $87.15 gov standard price; export Schedule B 8483.40.9000.