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 6320-01-021-6633
NSN 6105-01-272-9235
NSN 6135-01-324-7718
NSN 5835-00-612-1621
NSN 5950-01-102-6312
NSN 5998-00-914-2368
NSN 5915-00-910-6130
NSN 5960-01-342-9965
NSN 5835-01-645-2892
NSN 6130-00-119-9170
NSN 6145-01-089-9879
NSN 6130-01-549-4797