A trunicated cone-shaped metal item generally tapered along its entire peripheral length, with a centrally located hole. It may be split (cut) through the material parallel to the axis.
NSN 6650-01-651-2324
NSN 6650-00-866-7060
NSN 6145-01-263-3902
NSN 6145-01-495-5866
NSN 5998-01-481-4502
NSN 6135-01-285-8807
NSN 5985-01-287-8500
NSN 5895-01-441-2759
NSN 5945-01-485-8836
NSN 6650-01-209-6318
NSN 6150-00-852-0995
NSN 6645-01-649-5069