Reverse mounted
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 5920-00-962-3567
NSN 6685-01-273-4366
NSN 5990-01-419-0661
NSN 5930-01-367-1857
NSN 6685-00-082-3153
NSN 6645-01-135-8498
NSN 5930-01-632-1494
NSN 5915-01-182-4053
NSN 6685-01-124-4362
NSN 2925-01-465-0795
NSN 5910-00-283-7392
NSN 6105-01-329-9549