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 6650-00-915-8545
NSN 6145-00-348-4320
NSN 7035-01-597-1449
NSN 5965-01-170-9891
NSN 5895-01-495-1273
NSN 5965-00-023-0944
NSN 6130-01-230-3210
NSN 5835-01-030-8914
NSN 5895-00-738-5443
NSN 6645-00-491-3611
NSN 6220-00-411-9957
NSN 7035-00-631-3782