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 6130-01-178-7503
NSN 5985-00-536-8627
NSN 6240-01-401-5340
NSN 5985-01-235-2576
NSN 6685-01-353-7782
NSN 5895-01-134-4425
NSN 6610-00-975-5638
NSN 5835-01-018-6294
NSN 5965-01-512-1245
NSN 6135-01-270-8601
NSN 5945-01-176-0048
NSN 7035-01-452-9086