A washer or cone or disk shape with a centrally located hole, designed to accommodate a flat or oval head screw and provide additional bearing area on the material being fastened. It may or may not have a flush flange feature.
Classification: Washers other than lock washers, iron or steel
NSN 6685-01-227-4751
NSN 5935-00-053-3494
NSN 5999-01-481-4762
NSN 5996-00-960-1958
NSN 4140-01-257-6571
NSN 5996-01-343-5851
NSN 6105-00-993-5244
NSN 5990-00-905-6472
NSN 5915-01-216-4375
NSN 6145-01-483-4404
NSN 5985-00-644-9008
NSN 6105-01-361-9248