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 5920-00-658-7219
NSN 5905-01-588-9929
NSN 5975-00-366-7440
NSN 5835-01-103-0848
NSN 5975-01-277-2699
NSN 6645-01-133-8359
NSN 6150-01-238-9889
NSN 6130-00-566-0347
NSN 6240-01-285-4417
NSN 6610-01-502-8868
NSN 5925-01-188-7630
NSN 5985-00-672-9325