An item specifically designed to be inserted between (2) two disk, clutch. It has a centrally located hole and its outer peripheral may include lugs or slot and the like.
NSN 6220-01-521-7812
NSN 5950-00-045-3187
NSN 4140-01-252-8902
NSN 5960-01-449-1310
NSN 6220-01-661-0976
NSN 5960-01-475-7428
NSN 5910-01-026-2691
NSN 5950-01-436-9158
NSN 6650-00-547-4557
NSN 2925-00-070-3542
NSN 5965-01-341-8746
NSN 5999-01-537-7932