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 5975-01-633-8098
NSN 5990-01-288-7393
NSN 6620-00-179-1884
NSN 6135-01-131-9352
NSN 5998-01-427-3776
NSN 5950-01-628-4557
NSN 5905-01-588-9929
NSN 6135-01-100-3593
NSN 5945-01-498-6410
NSN 7035-01-198-1512
NSN 6240-00-567-4107
NSN 5835-01-399-5820