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 5910-01-554-2308
NSN 7035-01-256-6705
NSN 5965-01-525-8607
NSN 6240-01-258-6298
NSN 6685-01-382-6332
NSN 5985-01-182-4413
NSN 6240-01-150-9290
NSN 5945-01-593-8094
NSN 5835-01-326-8953
NSN 4140-01-199-9771
NSN 5835-01-414-3258
NSN 5915-01-544-8740