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 5895-01-160-8101
NSN 5895-01-514-0010
NSN 4140-01-549-2952
NSN 6645-01-430-8992
NSN 6110-01-429-8668
NSN 6110-01-653-9311
NSN 5855-01-369-4192
NSN 6320-01-072-2073
NSN 6645-00-904-2754
NSN 6620-01-006-4899
NSN 5996-01-561-4885
NSN 5895-01-545-5052