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 5960-00-853-8702
NSN 5965-01-139-5472
NSN 5895-00-726-3169
NSN 6320-01-624-0193
NSN 6110-01-633-9660
NSN 5935-01-468-5799
NSN 5930-01-572-0250
NSN 6645-00-244-0359
NSN 6645-01-445-5235
NSN 5945-00-911-0032
NSN 5999-01-251-1551
NSN 2925-01-381-5307