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 6610-01-152-2821
NSN 6610-00-243-7025
NSN 5999-00-592-4740
NSN 6135-01-542-0659
NSN 6685-01-659-0885
NSN 5945-01-371-1462
NSN 5960-00-641-8056
NSN 5910-01-293-0846
NSN 5945-01-415-0858
NSN 5960-00-887-2618
NSN 4140-01-226-6944
NSN 5960-01-299-1765