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 5998-01-479-7585
NSN 5996-01-359-9931
NSN 5996-00-580-4129
NSN 6685-01-197-0540
NSN 2925-01-462-8593
NSN 5935-01-634-0668
NSN 5915-01-506-9821
NSN 5925-01-465-3055
NSN 6110-00-657-4739
NSN 5975-00-248-2560
NSN 5999-01-190-6903
NSN 5905-01-381-5519