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 5915-00-541-5589
NSN 6620-01-423-7300
NSN 6320-01-347-2638
NSN 5930-01-642-6706
NSN 6110-00-028-2064
NSN 5996-00-756-4376
NSN 4140-00-406-3577
NSN 6220-01-449-1239
NSN 5998-01-340-1069
NSN 5895-00-079-1314
NSN 5935-00-884-9294
NSN