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 5965-00-527-8818
NSN 6145-01-163-0664
NSN 6105-01-357-5040
NSN 5985-01-369-4721
NSN 6220-00-548-1999
NSN 2925-00-555-4578
NSN 6610-01-107-2658
NSN 5930-01-051-2056
NSN 5910-01-360-0244
NSN 5935-01-054-2357
NSN 5990-01-138-7984
NSN 5960-01-328-8248