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 6685-01-593-5095
NSN 6650-01-366-7323
NSN 5905-01-410-7436
NSN 5985-01-012-0182
NSN 5935-01-597-2249
NSN 4140-01-377-1265
NSN 5925-01-634-0664
NSN 5925-00-364-7969
NSN 5996-01-396-3085
NSN 6150-01-359-1659
NSN 6620-01-472-6461
NSN 5835-00-550-7728