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 6610-00-111-3648
NSN 6610-00-186-9180
NSN 6610-00-663-7749
NSN 5835-00-373-2671
NSN 6145-00-593-8100
NSN 5945-01-389-7100
NSN 5930-01-101-9954
NSN 5835-00-284-0882
NSN 5975-01-116-3678
NSN 6110-01-425-0502
NSN 4140-01-656-8267
NSN 6145-01-085-6572