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 5998-00-458-1474
NSN 5895-00-467-5032
NSN 5910-01-023-1406
NSN 5855-00-411-8688
NSN 6685-01-578-4771
NSN 2925-00-947-9814
NSN 5960-00-798-5585
NSN 5990-01-046-3450
NSN 5960-01-462-1864
NSN 6150-01-616-0593
NSN 6130-00-153-1338
NSN 5950-01-401-5321