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 5996-01-518-4674
NSN 5965-00-909-5345
NSN 6130-00-986-8234
NSN 6220-01-514-8511
NSN 5950-01-340-1296
NSN 5905-01-500-8758
NSN 6240-01-596-9267
NSN 6110-01-571-2580
NSN 2925-01-166-1527
NSN 5910-01-350-4290
NSN 5910-00-633-7743
NSN 5910-01-056-7600