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 5999-01-604-0685
NSN 5998-01-604-8945
NSN 2925-01-110-1467
NSN 6105-01-623-9533
NSN 5965-01-212-6817
NSN 6620-01-306-1347
NSN 6150-00-851-5136
NSN 6610-01-556-2353
NSN 7035-01-492-6799
NSN 5935-00-280-3116
NSN 6145-01-634-0388
NSN 5925-01-084-8930