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 6150-01-199-2603
NSN 6685-01-188-7379
NSN 5915-00-944-3103
NSN 5965-01-278-2107
NSN 5935-00-410-8901
NSN 5920-00-542-6389
NSN 6220-01-251-7642
NSN 5835-01-160-7282
NSN 5996-01-449-0666
NSN 2925-00-764-0167
NSN 5925-00-786-8123
NSN 6220-01-271-6121