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 6610-01-168-5015
NSN 5855-00-233-2366
NSN 5925-00-411-5170
NSN 6320-01-209-0952
NSN 5965-01-526-8967
NSN 5910-01-633-9963
NSN 5950-00-254-9771
NSN 6130-01-459-1774
NSN 6130-01-461-7765
NSN 5935-01-656-8218
NSN 6685-01-123-9275
NSN 6220-00-548-1999