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 6220-01-195-3685
NSN 5960-01-196-3344
NSN 5855-01-330-3669
NSN 5935-01-027-0022
NSN 6685-01-091-4225
NSN 5998-01-188-4939
NSN 5855-00-256-5562
NSN 5835-00-412-4663
NSN 6220-01-177-5694
NSN 5935-01-561-0922
NSN 5950-01-086-1166
NSN 6650-01-434-6434