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 5950-01-207-0028
NSN 5998-01-365-7424
NSN 6130-01-281-8609
NSN 5990-01-106-3786
NSN 5960-01-395-1164
NSN 5905-01-287-7514
NSN 6130-01-381-5366
NSN 6145-01-044-1635
NSN 5835-01-074-1161
NSN 5935-01-487-6851
NSN 5990-00-518-0684
NSN 5915-01-586-3023