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 7035-01-399-5354
NSN 5960-00-539-7914
NSN 6135-00-284-1406
NSN 6110-01-657-9314
NSN 5915-01-316-4760
NSN 6150-01-613-0185
NSN 4140-00-780-6443
NSN 6685-01-363-8826
NSN 6105-01-596-3746
NSN 5996-00-278-5193
NSN 6240-00-732-4240
NSN 4140-01-383-1605