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 6240-01-309-0695
NSN 6130-01-632-7306
NSN 5998-00-151-3928
NSN 5895-01-229-1888
NSN 5905-00-600-8138
NSN 5910-01-373-3117
NSN 2925-00-989-0523
NSN 5930-00-959-5847
NSN 6620-00-199-8734
NSN 5855-01-258-5161
NSN 5920-01-347-5852
NSN 5920-01-642-0416