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 5930-01-411-6053
NSN 5950-01-473-9352
NSN 6135-01-041-3829
NSN 6130-01-519-4042
NSN 6105-01-244-7778
NSN 5935-00-999-5421
NSN 5965-00-309-4814
NSN 6240-01-432-0819
NSN 5930-01-054-2643
NSN 6150-00-370-1356
NSN 6650-00-751-9958
NSN 2925-01-502-8863