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 5935-01-177-7353
NSN 5930-01-256-8114
NSN 5905-00-467-7176
NSN 6150-01-013-4808
NSN 6320-00-313-9114
NSN 6240-01-423-6771
NSN 5990-01-598-8769
NSN 5925-01-634-0664
NSN 5985-01-130-8252
NSN 5935-00-532-3549
NSN 6650-01-526-8147
NSN 5960-00-813-4520