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 5925-01-154-6796
NSN 5960-00-517-9359
NSN 6620-01-271-0711
NSN 6130-01-552-1696
NSN 5895-00-351-7463
NSN 5855-01-184-8089
NSN 5998-00-932-2043
NSN 6150-01-381-5676
NSN 5915-01-207-6501
NSN 5855-01-629-0954
NSN 5945-00-854-1234
NSN 5925-01-322-7930