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 5930-01-093-4676
NSN 6130-00-878-6149
NSN 5855-00-763-2155
NSN 6110-01-119-3949
NSN 5895-00-706-9826
NSN 5990-01-651-6364
NSN 5950-00-182-8204
NSN 5855-01-241-1054
NSN 5920-00-633-0404
NSN 5975-01-389-9581
NSN 5998-01-058-1555
NSN 6620-01-364-0195