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 5975-01-005-3499
NSN 6645-00-819-5045
NSN 5920-01-020-4090
NSN 6145-01-449-0905
NSN 6645-00-951-0687
NSN 6145-01-630-0926
NSN 6645-01-571-1234
NSN 2925-01-622-8568
NSN 5895-01-113-7725
NSN 6110-00-471-9423
NSN 5930-01-454-8920
NSN 6650-01-593-5993