A flat piece of metal or fiber usually round with a rectangular slot. It is used with a brass fastener to secure paper.
NSN 4140-01-147-6558
NSN 6650-01-113-7563
NSN 5915-01-394-3700
NSN 6145-00-067-7436
NSN 6145-01-137-9132
NSN 5920-00-149-0013
NSN 5945-01-328-2369
NSN 5998-00-078-9319
NSN 5975-01-541-2551
NSN 6220-00-171-8638
NSN 6650-01-533-1267
NSN 6650-01-438-6981