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 7035-00-270-5519
NSN 5950-01-118-0133
NSN 5835-01-449-7511
NSN 5965-00-163-9947
NSN 6105-01-064-9751
NSN 5998-01-381-3330
NSN 6645-00-959-6502
NSN 6320-01-438-6280
NSN 5985-01-315-8040
NSN 5990-01-612-5323
NSN 2925-00-808-5077
NSN 5960-01-632-6576