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 5910-00-757-4458
NSN 5925-01-203-1422
NSN 4140-01-340-2579
NSN 6650-01-158-6888
NSN 5920-01-167-9026
NSN 6135-01-598-9889
NSN 6620-00-189-2381
NSN 5935-01-558-0901
NSN 5990-01-199-4832
NSN 5895-00-155-8581
NSN 5985-01-621-4958
NSN 5835-01-185-1102