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 5945-01-165-5195
NSN 5905-00-383-2915
NSN 5965-01-121-6135
NSN 5935-01-343-5728
NSN 5998-01-415-0267
NSN 5915-01-124-8526
NSN 5925-00-356-8007
NSN 6610-01-195-3497
NSN 7035-01-444-4240
NSN 5975-01-627-7293
NSN 5985-00-186-5072
NSN 5935-01-338-9309