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 5895-01-013-3855
NSN 5855-01-504-3645
NSN 6110-01-246-9932
NSN 6135-01-069-2482
NSN 5835-01-021-9681
NSN 4140-01-336-7722
NSN 5935-00-062-2943
NSN 6150-00-904-3326
NSN 5935-00-107-8287
NSN 6650-01-037-9755
NSN 6620-01-352-5640
NSN 6610-01-032-2890