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 5910-01-125-8194
NSN 2925-00-459-4519
NSN 5998-01-397-2163
NSN 6320-01-307-0467
NSN 5910-01-399-0570
NSN 5905-01-441-3809
NSN 5999-01-453-6486
NSN 5910-01-023-3578
NSN 5996-01-494-8178
NSN 5935-01-167-9424
NSN 6685-00-233-6563
NSN 6645-00-417-1998