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 6645-01-425-2330
NSN 5998-01-250-2461
NSN 5950-01-384-5854
NSN 7035-00-870-0290
NSN 6105-01-382-4225
NSN 5945-00-358-1960
NSN 5945-01-508-5024
NSN 6650-01-624-9222
NSN 5915-00-106-3584
NSN 6110-01-133-6676
NSN 6105-01-364-8811
NSN 5945-00-919-8494