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 6650-01-255-4046
NSN 5930-01-615-0149
NSN 6145-01-113-0695
NSN 5835-01-408-7576
NSN 6145-01-224-9205
NSN 6130-01-429-7717
NSN 5998-01-213-3357
NSN 6145-01-155-4488
NSN 5915-01-519-3287
NSN 6650-00-809-1817
NSN 6135-00-437-5182
NSN