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 5965-01-359-5501
NSN 6105-00-099-8818
NSN 6220-01-186-6431
NSN 6620-00-280-2874
NSN 5990-00-620-1137
NSN 6130-01-525-9393
NSN 6135-01-483-1501
NSN 6135-01-190-2628
NSN 6610-01-240-6629
NSN 6110-00-189-8871
NSN 6150-01-377-4883
NSN 5960-00-922-2943