3020-00-245-8355 (N271-053PC5154229)
NSN 3020-00-245-8355 (NIIN 00-245-8355) is a helical gear in Federal Supply Class 3020, Gears, Pulleys, Sprockets, And Transmission Chain — a gear, cylindrical in form, with teeth on the outer surface at an angle to the axis of the gear. Manufacturer part number N271-053PC5154229 (General Motors LLC, CAGE 7X677); also referenced as 5154229 (General Motors Corp).
Key specs: single helix; 78 rockwell a nominal and 60 to 66 rockwell d overall hardness; full characteristics table below. NIIN assigned January 1963; DEMIL A (none required); unit of issue EA (each), $23.54 gov standard price; export Schedule B 8483.40.9000. Supersedes 2815-00-200-1084 (1967).