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 7035-01-049-6776
NSN 5920-01-152-1021
NSN 5999-00-051-3995
NSN 6645-01-456-1182
NSN 5925-00-601-6345
NSN 5965-00-144-2543
NSN 5975-01-450-0451
NSN 5920-00-204-8125
NSN 5855-01-177-4751
NSN 5835-01-642-4705
NSN 5950-01-142-8302
NSN 5925-00-643-9404