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: Copper washers including spring washers not threaded
NSN 6130-01-371-3805
NSN 5935-01-495-5701
NSN 5925-01-528-9051
NSN 6220-01-259-4420
NSN 5965-01-053-7168
NSN 6130-00-787-9976
NSN 5895-00-542-2019
NSN 6220-00-538-3137
NSN 5996-01-070-9911
NSN 2925-00-765-7021
NSN 5999-00-336-3237
NSN 6610-00-960-9135