2520-00-737-7212 (3569589)
NSN 2520-00-737-7212 (NIIN 00-737-7212) is an automotive axle shaft in Federal Supply Class 2520, Vehicular Power Transmission Components — a shaft which is a component of axle assembly, automotive, driving. Manufacturer part number 3569589 (General Motors LLC, CAGE 7X677); also referenced as 3659589 (General Motors LLC); 7377212 (U S Army Tank Automotive Command).
Key specs: 48 minimum rockwell c metallic hardness; full characteristics table below. NIIN assigned January 1963; DEMIL A (none required); export Schedule B 8483.90.9500.