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 5895-00-269-3848
NSN 5895-01-267-0732
NSN 6145-00-150-5049
NSN 5895-01-600-1085
NSN 5996-01-454-6938
NSN 6320-01-411-6610
NSN 6685-01-327-7381
NSN 5935-01-014-1760
NSN 6145-00-224-5245
NSN 6150-01-188-0106
NSN 2925-01-629-9416
NSN 5945-01-250-2380