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 6130-01-021-2610
NSN 5985-00-793-5021
NSN 5935-00-824-9273
NSN 5925-01-316-6691
NSN 7035-01-555-7761
NSN 5999-00-626-3538
NSN 5920-00-325-3980
NSN 5935-01-470-9434
NSN 6650-01-406-4959
NSN 5925-00-592-0881
NSN 6220-00-295-3594
NSN 6110-00-460-7179