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 5965-01-499-5482
NSN 5945-00-139-4392
NSN 5935-00-527-3826
NSN 5965-01-586-5283
NSN 5905-00-706-0775
NSN 6650-01-492-5263
NSN 7035-01-423-8343
NSN 5925-01-314-5268
NSN 7035-01-076-4067
NSN 5945-01-161-5438
NSN 5945-01-501-3479
NSN 5915-00-484-5292