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 5920-01-104-6198
NSN 6150-01-124-8039
NSN 5835-00-987-9341
NSN 6220-01-081-7631
NSN 5935-01-188-8545
NSN 5835-01-066-5337
NSN 6110-00-271-9928
NSN 5855-01-180-5369
NSN 6610-01-044-4740
NSN 7035-00-283-3112
NSN 5930-01-581-3146
NSN 5990-00-079-5406