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 6650-01-529-6416
NSN 5960-01-019-8760
NSN 6130-01-527-6159
NSN 2925-01-348-8306
NSN 5935-01-508-6262
NSN 5960-01-609-6565
NSN 5930-00-175-4699
NSN 7035-01-351-4111
NSN 5965-01-260-2547
NSN 5895-01-378-7144
NSN 6620-01-133-4193
NSN 5930-01-483-4018