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 5835-01-390-4667
NSN 5990-01-271-1628
NSN 5998-01-554-5901
NSN 5960-00-369-8018
NSN 5835-01-214-0522
NSN 6110-01-521-4227
NSN 5910-00-570-7524
NSN 6145-00-643-3908
NSN 6645-01-229-9769
NSN 5996-01-558-2862
NSN 5915-00-764-8284
NSN 5996-01-425-1455