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 5935-01-434-8854
NSN 5915-00-681-2613
NSN 6105-00-575-9720
NSN 6685-00-983-5326
NSN 5990-01-485-0260
NSN 5935-01-602-8498
NSN 6240-01-225-1183
NSN 5975-01-562-7011
NSN 5905-00-855-1344
NSN 5996-00-336-3046
NSN 6320-00-925-0558
NSN 5930-01-446-9772