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 6610-01-302-2073
NSN 5925-01-628-2038
NSN 6685-00-147-8045
NSN 6130-01-233-7885
NSN 6685-00-692-3047
NSN 5935-01-491-6966
NSN 6610-01-550-2368
NSN 5930-01-385-3321
NSN 5945-01-396-0240
NSN 5895-00-311-8969
NSN 5996-00-755-7199
NSN 6130-01-204-8215