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 6105-01-355-8466
NSN 6650-01-382-6411
NSN 5990-00-772-9277
NSN 5945-01-176-7108
NSN 6150-01-185-0665
NSN 5996-01-281-7336
NSN 6130-00-450-4970
NSN 5965-00-239-3471
NSN 5930-01-578-6779
NSN 6620-01-378-1366
NSN 5895-00-057-9657
NSN 6685-01-035-6962