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 7035-00-188-6674
NSN 6620-01-202-5921
NSN 5915-00-151-4629
NSN 5945-01-422-3233
NSN 5990-01-079-3271
NSN 6610-00-264-0961
NSN 5996-01-127-5431
NSN 5895-01-502-4602
NSN 5895-00-794-2517
NSN 5905-00-484-5588
NSN 6105-00-252-3233
NSN 5950-01-519-2709