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 6240-01-513-9642
NSN 6110-01-310-3815
NSN 5930-00-203-1116
NSN 4140-01-608-3992
NSN 6650-01-418-3228
NSN 5910-01-068-3625
NSN 5895-00-159-1237
NSN 6130-01-634-0603
NSN 5960-01-266-1011
NSN 5945-01-514-6343
NSN 5920-01-423-8595
NSN 6150-00-186-7809