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 5905-00-117-0863
NSN 6220-00-296-4101
NSN 5990-01-177-2838
NSN 4140-01-201-7960
NSN 6320-01-450-7083
NSN 5999-01-461-2968
NSN 6650-01-030-5545
NSN 5915-00-996-7763
NSN 5998-01-355-9149
NSN 5998-01-410-8379
NSN 5895-01-069-3279
NSN 5915-01-012-0144