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 6135-01-582-2589
NSN 6610-01-529-2337
NSN 6620-00-929-1188
NSN 6110-01-023-0715
NSN 5975-01-586-5784
NSN 5975-01-440-9080
NSN 7035-01-477-4181
NSN 6685-01-371-3050
NSN 5975-01-254-1684
NSN 6320-01-301-4699
NSN 7035-01-655-5081
NSN 6145-00-499-1131