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 5920-01-219-6297
NSN 5998-00-079-0410
NSN 5996-01-076-7374
NSN 6240-01-650-5348
NSN 6130-01-459-9831
NSN 5985-01-162-6084
NSN 5895-00-424-4789
NSN 5999-01-223-7992
NSN 6320-01-328-6575
NSN 5960-00-215-5884
NSN 5925-01-515-8951
NSN 5990-00-819-5617