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 7035-00-421-8710
NSN 7035-01-361-1311
NSN 6145-01-154-7183
NSN 5996-01-078-7904
NSN 5975-01-345-9063
NSN 5960-01-533-2115
NSN 2925-00-816-8765
NSN 5935-00-823-6962
NSN 5945-01-439-6996
NSN 4140-01-152-2672
NSN 6135-00-474-1397
NSN 6130-01-356-5606