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 6150-01-272-0096
NSN 5920-01-444-4082
NSN 6645-01-023-2180
NSN 6150-01-544-4085
NSN 6150-01-426-4250
NSN 6135-01-504-4309
NSN 5905-01-624-4189
NSN 5920-01-563-8345
NSN 6150-01-435-5026
NSN 6105-01-021-6436
NSN 5998-01-381-3330
NSN 6130-01-296-9766