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 2925-01-384-4139
NSN 5990-01-609-4793
NSN 5960-00-993-1857
NSN 6610-00-800-7645
NSN 6220-00-960-7591
NSN 5990-01-600-5989
NSN 6610-01-431-8575
NSN 5950-00-778-4737
NSN 6620-01-251-6844
NSN 6145-01-538-4221
NSN 5945-00-296-8464
NSN 5920-01-136-6802