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 5950-01-486-9451
NSN 6130-00-682-3350
NSN 6650-00-182-7791
NSN 5905-01-479-1986
NSN 6240-00-423-9575
NSN 5915-01-550-7810
NSN 6650-00-552-8377
NSN 5895-01-588-0997
NSN 5905-00-627-0323
NSN 6150-01-609-1364
NSN 6645-00-690-0423
NSN 5935-00-840-6436