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 6620-01-177-1772
NSN 5895-01-532-0029
NSN 5998-00-815-1896
NSN 5895-00-363-9370
NSN 6685-00-959-6767
NSN 5960-00-051-6159
NSN 5910-01-184-8523
NSN 6220-00-410-3012
NSN 6220-01-124-7762
NSN 5905-01-322-3913
NSN 4140-01-297-3262
NSN 5985-00-964-7929