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 5998-00-359-1682
NSN 6150-00-936-0670
NSN 6610-00-230-1810
NSN 2925-01-311-7840
NSN 5935-01-160-2926
NSN 6685-01-262-2397
NSN 6105-00-689-7799
NSN 4140-01-412-3933
NSN 6150-01-124-8039
NSN 6620-00-388-0047
NSN 5835-01-248-0563
NSN 5996-00-082-0320