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 5930-01-012-0151
NSN 6620-01-206-5748
NSN 6650-01-633-2430
NSN 5975-01-539-8860
NSN 6135-00-170-8819
NSN 5998-01-025-6764
NSN 6135-01-443-7716
NSN 6220-00-081-6429
NSN 5910-00-070-6237
NSN 5925-01-577-7985
NSN 5910-01-469-0151
NSN 6645-00-176-5589