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 5920-00-941-9139
NSN 5998-01-626-1225
NSN 5910-01-564-7380
NSN 6240-01-435-5369
NSN 5945-01-020-0564
NSN 6150-01-264-9277
NSN 6130-01-262-7092
NSN 5998-01-013-8094
NSN 5920-01-288-4389
NSN 6150-00-511-4380
NSN 6320-01-019-1028
NSN 6620-00-242-7032