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 6110-01-089-6260
NSN 6240-00-738-6822
NSN 6650-01-496-8962
NSN 6610-01-535-4230
NSN 5915-01-290-2396
NSN 5960-01-193-5224
NSN 6105-01-486-9396
NSN 5935-00-110-5535
NSN 6685-00-450-0053
NSN 5985-01-468-6894
NSN 5930-01-303-6170
NSN 5985-00-617-9043