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 6150-01-467-2504
NSN 6145-01-022-2097
NSN 6685-01-485-4728
NSN 5945-01-125-2996
NSN 6105-01-652-2909
NSN 5990-01-340-1306
NSN 5945-01-634-0588
NSN 5965-01-386-2988
NSN 5999-00-490-1339
NSN 5975-01-475-9840
NSN 6105-01-106-4157
NSN 6620-01-041-8567