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 5925-01-173-2841
NSN 6105-00-481-3401
NSN 5998-01-312-4698
NSN 5975-00-500-0166
NSN 6620-00-820-9616
NSN 6220-01-593-3935
NSN 5905-00-064-0259
NSN 5945-01-160-7420
NSN 6240-00-232-1093
NSN 5965-01-631-9848
NSN 5905-01-122-9025
NSN 5905-00-504-8586