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 6620-01-488-9547
NSN 6220-01-155-6521
NSN 6685-00-150-2779
NSN 5905-00-014-6269
NSN 6110-01-010-0905
NSN 6150-01-104-1989
NSN 5895-00-820-0502
NSN 2925-00-355-5130
NSN 5920-00-149-1469
NSN 6105-01-322-8246
NSN 5835-00-888-9422
NSN 5930-01-184-1661