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 6135-00-702-2772
NSN 6610-00-149-1534
NSN 5996-01-381-4440
NSN 5965-01-406-4164
NSN 5835-00-451-2982
NSN 5935-01-162-2329
NSN 5945-01-443-5357
NSN 5930-01-633-6121
NSN 6645-01-559-4934
NSN 6645-01-602-8275
NSN 5895-00-431-9923
NSN 5996-00-382-7725