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 5855-01-398-9548
NSN 5985-00-519-4797
NSN 6220-00-202-8591
NSN 2925-01-244-3016
NSN 6650-01-655-0762
NSN 6610-00-791-4705
NSN 5998-01-098-6099
NSN 6240-00-400-7980
NSN 6320-01-352-8084
NSN 5905-01-149-2891
NSN 6645-01-079-1262
NSN 6145-01-360-9988