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 6145-00-648-2726
NSN 6610-00-081-2365
NSN 5950-01-164-1321
NSN 5895-01-487-8939
NSN 6610-00-296-5007
NSN 6150-01-296-8975
NSN 6220-00-899-6718
NSN 6650-01-014-5990
NSN 7035-00-890-7649
NSN 4140-01-463-3434
NSN 5920-01-547-4766
NSN 5930-01-023-2160