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 6620-01-575-9561
NSN 5835-01-132-5894
NSN 5930-01-193-7364
NSN 5960-00-519-9880
NSN 6220-01-448-1182
NSN 5910-01-069-3432
NSN 5925-00-584-0891
NSN 6645-01-266-7517
NSN 6110-01-485-0276
NSN 5960-00-168-7818
NSN 5925-01-347-5591
NSN 5935-01-426-4699