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 5965-00-564-4399
NSN 6105-01-242-2263
NSN 5998-01-228-5367
NSN 6610-01-545-5648
NSN 5990-00-288-1820
NSN 5915-01-082-7984
NSN 5950-01-269-1224
NSN 5999-01-152-2313
NSN 5990-01-351-4621
NSN 5925-01-369-2816
NSN 5935-00-598-1235
NSN 5999-00-828-5119