Threaded slot on od for locking setscrew
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 5996-01-153-2359
NSN 7035-00-507-5380
NSN 5975-01-106-2238
NSN 5960-01-106-3086
NSN 5999-01-599-9575
NSN 5910-01-472-8146
NSN 5945-00-099-9857
NSN 5915-00-473-2112
NSN 5965-01-540-4977
NSN 5945-00-264-6302
NSN 5996-01-030-9694
NSN 5910-01-074-1488