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 5855-00-832-9341
NSN 6135-00-702-2772
NSN 5996-01-045-0955
NSN 6110-00-082-0268
NSN 5998-00-308-4297
NSN 5930-01-245-0400
NSN 6645-00-211-6906
NSN 5996-01-633-2434
NSN 6105-01-159-2666
NSN 6320-00-937-5625
NSN 5935-00-847-0296
NSN 6150-01-129-2233