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 5910-00-546-7524
NSN 5835-00-315-3797
NSN 5985-00-068-3782
NSN 5930-01-600-3458
NSN 6620-01-573-1952
NSN 5965-01-167-3495
NSN 6240-01-359-4288
NSN 7035-00-631-3782
NSN 5960-01-067-4604
NSN 2925-00-413-2064
NSN 6645-01-457-6350
NSN 5920-01-044-5621