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 5835-00-829-0670
NSN 6685-00-098-1771
NSN 6150-01-106-6208
NSN 6130-00-111-2205
NSN 5950-01-534-4840
NSN 5950-00-409-5822
NSN 5935-01-534-9996
NSN 5925-01-090-6374
NSN 6135-01-495-0933
NSN 6620-01-562-6865
NSN 6240-01-603-7856
NSN 5910-01-418-7621