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 6320-00-483-0451
NSN 5950-00-567-6527
NSN 7035-01-204-7481
NSN 5905-01-512-9136
NSN 5990-00-306-0222
NSN 5945-01-234-8056
NSN 7035-00-117-0418
NSN 5960-01-614-8005
NSN 5960-01-567-1096
NSN 5905-01-102-9810
NSN 6620-01-484-6904
NSN 6685-00-724-5998