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 6220-00-927-6272
NSN 6240-01-075-6559
NSN 5855-01-634-0259
NSN 5925-01-362-0728
NSN 5930-00-196-3849
NSN 5998-01-434-6034
NSN 7035-01-647-9698
NSN 6610-01-076-4800
NSN 4140-00-937-0016
NSN 6145-00-840-6685
NSN 6130-00-155-5873
NSN 6320-00-977-3930