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 6145-01-424-0963
NSN 5920-01-457-4653
NSN 5935-01-524-7735
NSN 5925-01-356-8352
NSN 5945-01-554-2282
NSN 5945-01-634-0588
NSN 5920-01-242-8064
NSN 6320-01-399-6177
NSN 6105-01-376-5021
NSN 6610-00-278-7647
NSN 7035-01-589-2629
NSN 5905-01-217-9745