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 5835-01-163-4215
NSN 5925-00-231-8668
NSN 5945-00-428-6353
NSN 5905-01-249-0874
NSN 5945-00-935-6922
NSN 5990-01-234-0789
NSN 5930-01-152-1847
NSN 6610-01-448-6059
NSN 6685-01-025-1587
NSN 5965-01-633-1281
NSN 5945-01-557-3319
NSN 5965-01-523-4572