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 5950-01-486-3932
NSN 6105-00-725-2897
NSN 5925-00-311-2341
NSN 5910-01-050-9654
NSN 6130-00-205-1714
NSN 6650-01-541-6718
NSN 6105-01-086-0276
NSN 5915-01-491-1852
NSN 5925-00-921-1171
NSN 6650-01-131-5318
NSN 5925-00-384-8023
NSN 6610-01-224-0951