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 6620-01-376-3744
NSN 6645-01-653-2848
NSN 6220-01-123-9290
NSN 5998-00-271-1555
NSN 6135-01-297-5565
NSN 6105-01-010-0087
NSN 5990-00-050-1673
NSN 5996-00-350-7957
NSN 6240-01-359-7230
NSN 6650-01-244-8559
NSN 5895-01-520-4307
NSN 5950-00-155-4753