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 5835-00-996-2912
NSN 6620-01-352-5640
NSN 5950-00-071-9288
NSN 6220-00-400-3769
NSN 6240-01-418-5021
NSN 6105-01-487-2891
NSN 4140-01-294-4044
NSN 5998-01-363-7077
NSN 4140-00-985-0182
NSN 5935-00-539-2467
NSN 5965-00-465-9566
NSN 5925-01-050-4265