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 5835-01-170-5537
NSN 5915-01-212-4492
NSN 5960-01-426-4242
NSN 6220-01-576-6207
NSN 5996-01-422-5495
NSN 5910-00-018-6713
NSN 6620-01-258-8980
NSN 5910-01-187-7477
NSN 5910-01-545-5988
NSN 5996-00-912-1966
NSN 6620-00-804-8272
NSN 6620-01-124-0947