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 6135-00-248-4102
NSN 5895-00-241-9375
NSN 2925-00-149-0760
NSN 5835-00-986-5985
NSN 5999-01-353-5183
NSN 4140-01-165-6409
NSN 6610-01-160-2526
NSN 5999-01-089-9664
NSN 5910-01-598-5210
NSN 6685-01-554-8812
NSN 6150-01-540-3059
NSN 5910-00-900-3926