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 5910-00-081-9941
NSN 6620-01-407-1158
NSN 5975-01-396-3128
NSN 2925-00-513-6644
NSN 2925-00-215-4954
NSN 5950-01-521-4492
NSN 6650-00-207-9639
NSN 5915-01-420-5777
NSN 5930-01-515-4837
NSN 6145-00-375-5224
NSN 5998-01-348-4154
NSN 5990-01-152-3974