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 5960-00-090-2991
NSN 5960-01-172-8617
NSN 6145-00-164-7058
NSN 6135-01-658-7467
NSN 6620-01-032-3937
NSN 5930-00-339-3024
NSN 6685-00-364-5404
NSN 2925-00-890-9837
NSN 6110-01-350-3449
NSN 5915-00-383-1471
NSN 5855-01-502-0508
NSN 5835-00-102-2373