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 5996-01-378-3748
NSN 5965-00-959-4910
NSN 6110-00-347-7290
NSN 6685-00-912-1847
NSN 6685-00-135-4723
NSN 5935-01-096-8914
NSN 2925-01-560-4123
NSN 5910-01-329-7853
NSN 6650-01-306-8352
NSN 5999-00-008-8129
NSN 6110-01-182-0530
NSN 4140-00-478-6199