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 6620-01-204-3217
NSN 6130-01-449-8205
NSN 5965-01-501-5638
NSN 5950-01-082-3816
NSN 5996-00-770-1863
NSN 6240-00-284-1457
NSN 5935-01-004-0415
NSN 6650-01-506-5636
NSN 5985-00-143-8134
NSN 6130-00-496-9754
NSN 6620-01-521-9710
NSN 5960-01-495-0859