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 5835-01-258-5597
NSN 5999-00-276-9299
NSN 6685-00-903-6799
NSN 5965-00-061-0306
NSN 5925-00-827-4964
NSN 6685-00-684-7891
NSN 6650-01-030-0238
NSN 5935-00-665-5125
NSN 6105-01-645-9402
NSN 5975-01-583-2010
NSN 5975-01-622-1688
NSN 5998-01-069-4534