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 5835-00-155-1379
NSN 6685-01-610-0872
NSN 5855-01-494-8838
NSN 5960-00-258-9292
NSN 5905-01-176-7152
NSN 4140-00-225-8586
NSN 4140-00-198-4961
NSN 5998-01-560-3049
NSN 7035-01-198-1512
NSN 5950-00-133-1902
NSN 5915-00-149-1458
NSN 5895-00-721-4032