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 5999-00-432-6692
NSN 5915-01-476-9388
NSN 5996-01-106-2763
NSN 5998-01-172-2943
NSN 6130-01-245-6795
NSN 5915-00-375-5000
NSN 5945-00-615-4705
NSN 5945-01-419-4630
NSN 5895-01-243-1621
NSN 6650-01-337-8666
NSN 5915-01-014-0336
NSN 6650-01-633-9147