2520-00-740-6213 (SSC250-180-416-250M)
NSN 2520-00-740-6213 (NIIN 00-740-6213) is a friction clutch assembly in Federal Supply Class 2520, Vehicular Power Transmission Components — a spring loaded device designed to connect and disconnect power between a driving device (engine, motor. Manufacturer part number SSC250-180-416-250M (Southern Gear & Machine Inc, CAGE 01351); also referenced as 9157122 (Us Army Aviation And Missile Command).
NIIN assigned January 1963; DEMIL B (USML, demil required); export Schedule B 8483.90.9500.