With split and keyway
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 6650-00-959-6869
NSN 5998-01-105-3892
NSN 5985-01-183-5331
NSN 6645-00-133-1536
NSN 6110-01-442-6492
NSN 5965-01-138-0707
NSN 5965-00-940-7028
NSN 5905-00-834-6852
NSN 5930-01-142-5370
NSN 7035-00-834-2090
NSN 6145-00-191-8805
NSN 5835-01-354-0566