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 5895-01-098-5944
NSN 5895-00-419-3634
NSN 6220-00-959-5698
NSN 5905-01-004-9961
NSN 6610-01-532-8734
NSN 6110-01-411-7478
NSN 5975-01-605-3685
NSN 6320-01-600-5808
NSN 5945-00-155-4290
NSN 5985-01-370-4311
NSN 5855-01-561-0057
NSN 5910-01-552-8848