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 5915-01-104-2201
NSN 5920-00-757-6144
NSN 6320-00-110-8005
NSN 6220-01-237-6776
NSN 5965-00-897-5560
NSN 6220-00-222-5663
NSN 6130-01-626-1338
NSN 6130-01-604-6232
NSN 6645-00-145-6411
NSN 6135-00-932-3136
NSN 5905-01-419-3445
NSN 5965-00-722-7574