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 5915-00-771-8808
NSN 5930-01-224-6561
NSN 5915-00-576-5154
NSN 5960-01-413-3877
NSN 6145-01-247-5434
NSN 5999-01-378-2600
NSN 5935-01-228-5248
NSN 5835-01-392-0575
NSN 6220-01-359-2603
NSN 5935-00-168-9219
NSN 6320-01-379-1182
NSN 6650-01-587-5867