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 5945-01-259-3620
NSN 5945-01-297-3355
NSN 5905-00-369-7823
NSN 5950-00-216-7548
NSN 6145-01-459-8150
NSN 5965-01-578-6911
NSN 6685-01-575-7335
NSN 5925-01-241-2698
NSN 5996-00-491-1142
NSN 6645-01-128-9353
NSN 5945-01-239-6262
NSN 6240-00-617-9599