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 5930-01-613-9484
NSN 5985-01-101-2349
NSN 6105-01-359-9504
NSN 5895-01-547-0789
NSN 5910-01-360-5393
NSN 5990-01-009-3634
NSN 5950-01-232-0347
NSN 5990-01-277-1366
NSN 4140-01-512-8528
NSN 6110-01-521-3195
NSN 5935-01-008-6893
NSN 2925-00-769-8056