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 5895-01-501-6447
NSN 6150-01-188-6963
NSN 2925-00-422-5159
NSN 6610-01-142-3633
NSN 6320-01-388-3125
NSN 5920-01-577-7080
NSN 4140-01-651-2024
NSN 6130-01-262-0693
NSN 4140-01-442-5155
NSN 5905-01-519-8673
NSN 6130-01-380-7236
NSN 5990-01-231-9608