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 5950-01-041-6535
NSN 6145-01-534-9881
NSN 6240-00-976-4435
NSN 5920-01-634-0250
NSN 6620-01-604-4072
NSN 6620-00-035-5813
NSN 5985-01-608-4994
NSN 6240-00-754-8198
NSN 5975-01-501-4542
NSN 5930-00-105-7605
NSN 5935-00-301-5736
NSN 5990-01-204-6163