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 5935-01-089-0773
NSN 6150-00-173-3964
NSN 6105-00-604-2832
NSN 6220-00-269-4556
NSN 5996-01-232-7395
NSN 5930-01-625-4876
NSN 5985-00-581-9754
NSN 5910-00-602-9662
NSN 6645-01-153-7666
NSN 5905-01-232-5595
NSN 6685-00-350-7679
NSN 5998-00-580-3664