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 6110-00-340-3280
NSN 5985-01-228-0530
NSN 5855-01-100-3272
NSN 5996-01-317-2948
NSN 5960-01-535-1743
NSN 4140-01-067-8242
NSN 5895-01-428-1591
NSN 6620-00-865-7932
NSN 6240-01-211-4507
NSN 6650-01-255-2876
NSN 5998-00-209-9077
NSN 2925-01-386-7392