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 6135-01-265-1384
NSN 6135-00-112-8637
NSN 5925-01-511-2811
NSN 6620-01-062-7163
NSN 5920-01-484-1842
NSN 5920-00-984-6360
NSN 6150-01-295-4409
NSN 6645-01-493-2620
NSN 5930-01-206-4626
NSN 5950-00-328-2693
NSN 5855-00-252-5743
NSN 6150-00-287-6879