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 6130-01-521-4461
NSN 6645-01-258-0370
NSN 6620-01-071-6020
NSN 6110-00-977-2872
NSN 5935-01-207-0938
NSN 6135-01-071-4923
NSN 5925-01-168-3081
NSN 5998-00-147-7058
NSN 6135-00-932-3136
NSN 6145-01-548-8854
NSN 5895-01-508-5603
NSN 5920-00-920-7956