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 5965-01-103-2711
NSN 5965-01-422-4823
NSN 5855-01-406-4821
NSN 5915-00-078-9574
NSN 5945-01-655-9185
NSN 5950-01-334-1284
NSN 6650-01-047-9642
NSN 5985-00-558-7770
NSN 5960-01-578-5537
NSN 6145-00-078-6344
NSN 5930-01-088-9302
NSN 5925-01-605-3888