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 7035-00-763-6180
NSN 6650-00-784-9222
NSN 6145-01-257-0807
NSN 5965-01-551-6469
NSN 6320-00-445-1187
NSN 5999-01-379-8991
NSN 5915-01-230-0857
NSN 5930-01-395-8692
NSN 5855-01-369-5037
NSN 5835-00-264-0946
NSN 5999-01-572-6985
NSN 5945-01-161-0726