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 5915-00-016-4293
NSN 5835-00-707-6266
NSN 5920-00-264-5671
NSN 7035-01-104-5446
NSN 5935-01-575-9359
NSN 6685-00-958-6058
NSN 5935-00-861-4903
NSN 5895-01-174-4196
NSN 5925-01-061-4101
NSN 5910-01-212-0094
NSN 5945-00-782-1799
NSN 6220-01-263-9494