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 6110-01-219-2841
NSN 6320-01-631-7828
NSN 5915-00-904-4254
NSN 2925-01-387-0870
NSN 5920-00-359-9771
NSN 5985-01-435-5737
NSN 5998-00-233-7425
NSN 5975-00-246-4906
NSN 6105-01-200-3544
NSN 6320-01-084-7456
NSN 6650-01-492-5263
NSN 5999-00-248-7240