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 6130-01-280-1748
NSN 5945-01-437-5401
NSN 5925-00-001-1277
NSN 5945-00-923-4924
NSN 5925-01-173-1115
NSN 5965-00-913-9545
NSN 2925-00-369-9473
NSN 5855-00-237-4088
NSN 6130-01-367-8495
NSN 5975-01-274-5344
NSN 5998-00-553-2849
NSN 6610-01-212-9817