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 6685-01-233-9122
NSN 5910-01-468-6806
NSN 5835-00-368-4182
NSN 6145-01-462-4452
NSN 5965-00-471-5018
NSN 5950-00-212-7827
NSN 2925-01-250-2731
NSN 6105-00-761-9508
NSN 6240-01-270-5998
NSN 5920-01-067-2289
NSN 6610-01-283-5629
NSN 5915-00-421-6425