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 6685-00-051-1369
NSN 7035-00-541-8516
NSN 6320-01-039-5891
NSN 5925-00-167-1213
NSN 7035-00-897-7567
NSN 5930-00-660-7346
NSN 6685-00-731-2661
NSN 4140-01-276-0949
NSN 6610-01-387-5630
NSN 6130-01-518-5008
NSN 5835-00-707-6266
NSN 5915-01-538-0384