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 5965-01-328-7979
NSN 5996-00-525-1777
NSN 5895-01-099-8220
NSN 5925-01-051-3268
NSN 6135-01-380-4396
NSN 5835-01-432-1277
NSN 6240-01-608-9563
NSN 5985-00-336-5813
NSN 5985-00-933-0068
NSN 5855-00-256-5562
NSN 5999-01-401-5322
NSN 5920-01-563-1597