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 5996-01-400-3558
NSN 5960-01-319-6735
NSN 6620-00-555-3992
NSN 6320-01-605-7059
NSN 6685-00-596-8765
NSN 5935-01-507-6951
NSN 5998-01-506-9830
NSN 6610-00-715-4465
NSN 6610-01-325-6767
NSN 5930-00-122-8628
NSN 6240-01-360-5133
NSN 6220-01-563-6659