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 5945-01-467-9886
NSN 5965-00-317-1679
NSN 5960-01-428-4471
NSN 6150-01-519-9309
NSN 6620-00-155-2608
NSN 6645-01-432-1068
NSN 6320-01-088-1109
NSN 5990-00-345-8967
NSN 5895-01-274-5085
NSN 6650-00-466-1697
NSN 6320-00-894-1644
NSN 5910-01-510-4565