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 5950-01-151-7928
NSN 5985-01-060-9052
NSN 6650-01-421-2762
NSN 4140-01-235-1757
NSN 7035-00-134-3143
NSN 5930-00-260-4315
NSN 6220-01-113-7501
NSN 6145-01-592-9198
NSN 6645-00-960-6594
NSN 5910-00-753-7581
NSN 6240-00-855-4518
NSN 6220-01-425-3125