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 6320-00-646-3311
NSN 2925-00-243-6841
NSN 5985-00-860-1950
NSN 5950-01-551-2322
NSN 6240-00-735-7599
NSN 6220-01-212-3254
NSN 6145-00-568-8030
NSN 6145-00-067-7436
NSN 5920-01-313-1207
NSN 5920-01-399-8740
NSN 5895-01-147-7809
NSN 6240-00-793-7969