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 5960-00-116-9983
NSN 6110-01-381-7014
NSN 5996-01-360-4652
NSN 5998-00-250-9209
NSN 5925-01-568-7597
NSN 5990-01-161-4625
NSN 5996-01-141-6916
NSN 5915-00-500-7592
NSN 5950-00-579-0487
NSN 6130-01-201-6896
NSN 5855-01-486-9924
NSN 5999-00-064-7231