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 5915-00-156-7877
NSN 5975-00-809-1000
NSN 6130-00-227-2124
NSN 6110-01-461-4727
NSN 5999-00-080-0268
NSN 5855-00-481-0019
NSN 2925-01-577-0004
NSN 6130-00-737-0459
NSN 6135-01-604-8739
NSN 6135-01-384-3915
NSN 2925-01-572-5846
NSN 6620-00-017-8098