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 6240-01-373-2688
NSN 5945-01-060-5230
NSN 5975-01-660-6199
NSN 5895-01-145-5358
NSN 5935-01-605-7606
NSN 5985-01-242-9467
NSN 5960-01-301-2042
NSN 5835-01-557-9062
NSN 7035-00-225-6499
NSN 5996-00-624-7292
NSN 6105-01-406-4844
NSN 2925-00-964-7128