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 5996-01-428-6754
NSN 5945-01-325-5609
NSN 6150-01-286-5671
NSN 5895-01-334-5912
NSN 6645-00-778-8719
NSN 6645-01-340-4484
NSN 7035-00-150-2379
NSN 6130-01-384-3290
NSN 5950-00-435-3707
NSN 6645-00-596-5388
NSN 6650-01-413-3825
NSN 5835-01-214-5402