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 6135-01-142-2417
NSN 5835-01-314-2781
NSN 6650-00-578-6543
NSN 6610-01-072-0018
NSN 2925-00-623-3103
NSN 5999-00-529-0157
NSN 6135-00-412-1687
NSN 6620-01-492-8470
NSN 6240-01-574-9304
NSN 6650-01-589-3585
NSN 6105-00-494-9703
NSN 6240-01-373-2688