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 5930-00-666-2971
NSN 5999-00-230-5083
NSN 5915-01-608-1921
NSN 6620-01-380-4882
NSN 6110-01-437-3632
NSN 6110-01-139-6930
NSN 6135-00-334-4500
NSN 6105-01-122-9287
NSN 5998-01-390-0629
NSN 6685-00-477-2169
NSN 5920-00-558-6792
NSN 5855-01-344-8688