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 6240-00-248-6517
NSN 6610-01-091-3740
NSN 6650-00-717-8913
NSN 6130-00-060-3510
NSN 5835-01-152-8452
NSN 5996-00-052-0842
NSN 6110-01-243-1287
NSN 6135-00-334-4500
NSN 5965-00-267-4173
NSN 5945-00-371-4232
NSN 6130-01-062-7612
NSN 6150-01-084-7783