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 6645-00-102-0015
NSN 6105-00-845-6986
NSN 5835-01-644-4958
NSN 5996-01-622-5950
NSN 6135-00-985-7845
NSN 4140-00-407-1326
NSN 4140-01-074-0931
NSN 5925-01-089-9627
NSN 5999-01-609-5101
NSN 5920-01-559-4725
NSN 6135-01-066-6904
NSN 5925-01-364-2960