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 5915-01-121-9096
NSN 5920-00-839-8096
NSN 5965-00-351-7460
NSN 5930-01-351-5465
NSN 6220-01-025-6140
NSN 5905-01-390-7253
NSN 5990-01-272-4091
NSN 5905-01-569-7935
NSN 5960-00-539-7914
NSN 6240-01-507-7827
NSN 6110-01-449-2459
NSN 5996-01-224-5515