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 5999-00-780-8899
NSN 6320-01-116-3980
NSN 5996-00-995-5704
NSN 6130-00-383-6715
NSN 5905-01-553-2867
NSN 6150-00-763-7220
NSN 6150-00-007-1774
NSN 5935-00-981-8132
NSN 5999-01-293-7631
NSN 5920-01-489-7090
NSN 6610-01-027-0087
NSN 6110-00-233-8121