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 5910-01-338-6823
NSN 6320-01-082-2970
NSN 5998-00-471-1603
NSN 5998-01-530-9844
NSN 5999-00-174-5886
NSN 5835-00-529-6307
NSN 7035-01-536-2255
NSN 6110-00-078-8565
NSN 5935-00-419-0121
NSN 2925-01-430-4206
NSN 6685-00-942-5061
NSN 5935-01-620-1827