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 7035-00-360-5964
NSN 6135-00-938-1351
NSN 5999-00-248-2368
NSN 6130-01-353-6614
NSN 5925-01-344-6478
NSN 6110-00-258-8542
NSN 5855-00-237-4088
NSN 7035-01-497-8958
NSN 5945-00-103-1767
NSN 5905-00-317-9944
NSN 5915-01-233-7056
NSN 5895-00-087-1048