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 5985-01-408-6860
NSN 5910-01-058-1395
NSN 5920-01-510-2137
NSN 5910-01-298-1983
NSN 2925-00-081-3547
NSN 6610-00-119-1591
NSN 5965-01-028-4136
NSN 5945-00-881-3169
NSN 6685-01-099-4046
NSN 5999-00-173-1118
NSN 6610-00-518-4919
NSN 6320-01-516-3836