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 5945-01-176-8247
NSN 5999-00-269-5320
NSN 5910-00-212-5969
NSN 5905-01-588-8340
NSN 5910-01-320-4377
NSN 5895-01-180-3159
NSN 5996-01-338-5256
NSN 7035-01-218-6960
NSN 5835-01-464-7038
NSN 6145-01-253-0121
NSN 6650-01-256-4610
NSN 6240-01-364-0815