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 5925-01-287-7554
NSN 6220-01-279-8507
NSN 6150-01-659-6015
NSN 6150-01-228-0184
NSN 5945-01-062-9281
NSN 7035-01-049-6776
NSN 5945-01-467-5581
NSN 5920-00-857-8933
NSN 2925-01-058-1718
NSN 6145-01-654-3961
NSN 5990-01-512-9129
NSN 5835-01-434-0790