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 5965-01-542-8510
NSN 5935-00-161-3429
NSN 5935-01-409-2947
NSN 6650-01-173-1952
NSN 6320-01-006-6138
NSN 5920-00-944-8772
NSN 6650-01-301-3959
NSN 5915-01-569-0038
NSN 5925-00-332-0018
NSN 5925-01-094-2896
NSN 5985-01-273-0938
NSN 2925-01-140-8957