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 5960-00-979-7303
NSN 5905-00-354-9408
NSN 5996-01-523-0242
NSN 5930-00-403-5802
NSN 5935-01-378-7941
NSN 6105-01-280-5343
NSN 2925-00-211-4469
NSN 5950-01-168-7380
NSN 5998-01-588-4224
NSN 6620-01-250-7445
NSN 5950-00-520-8275
NSN 2925-01-161-2325