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 6240-01-609-4783
NSN 5950-01-516-5374
NSN 5905-00-542-3705
NSN 5855-00-149-0766
NSN 5985-01-334-0100
NSN 5960-00-925-9032
NSN 5985-00-148-6008
NSN 5835-00-223-7235
NSN 5998-00-098-4019
NSN 5920-01-468-6807
NSN 5925-01-217-0500
NSN 2925-01-368-5773