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 5998-01-357-3357
NSN 6135-00-862-5736
NSN 7035-01-119-6271
NSN 5985-01-255-3493
NSN 5910-00-908-0768
NSN 6220-01-634-0660
NSN 5835-00-707-6266
NSN 2925-00-939-1979
NSN 7035-00-020-2227
NSN 5925-00-521-0715
NSN 5935-01-420-6452
NSN 5999-01-528-2556