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 5915-01-646-4034
NSN 5950-01-520-4000
NSN 5945-01-487-4127
NSN 6145-00-880-8720
NSN 5996-01-037-6786
NSN 5855-01-440-9209
NSN 6135-00-823-3034
NSN 5855-01-541-5569
NSN 6135-00-985-7846
NSN 5835-01-580-0446
NSN 5985-01-036-5967
NSN 5895-01-200-6925