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 6110-00-542-2202
NSN 6130-01-350-3585
NSN 5935-00-890-0935
NSN 6135-01-235-4168
NSN 5835-01-341-7446
NSN 5996-01-068-2886
NSN 6135-00-276-7625
NSN 5920-01-185-2222
NSN 5835-01-170-5537
NSN 5920-00-378-1395
NSN 5895-01-204-8433
NSN 6150-01-335-9617