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 6685-01-082-6795
NSN 6685-01-081-0365
NSN 4140-01-546-3845
NSN 6105-01-291-1844
NSN 5895-01-165-1639
NSN 5935-01-346-6845
NSN 5835-01-307-8954
NSN 5960-01-599-9821
NSN 6685-00-839-8623
NSN 5975-01-114-6588
NSN 5996-00-441-9728
NSN 2925-01-389-6874