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 6685-00-480-9200
NSN 6685-01-505-0499
NSN 5950-01-656-4167
NSN 5960-01-498-9427
NSN 5950-01-357-5072
NSN 5985-00-189-0953
NSN 6320-00-779-5923
NSN 6110-01-382-9706
NSN 2925-01-244-3016
NSN 5999-01-287-9782
NSN 5950-00-044-5579
NSN 5960-01-116-5341