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 5935-01-301-5818
NSN 6240-01-301-1084
NSN 6610-00-142-9678
NSN 6105-01-474-5246
NSN 7035-00-517-8232
NSN 5915-01-202-8426
NSN 5996-01-542-9499
NSN 5905-01-500-0769
NSN 6645-00-171-9639
NSN 6685-01-022-8479
NSN 6135-00-539-8088
NSN 5985-01-634-0635