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 5930-01-310-1481
NSN 5915-01-323-5383
NSN 6135-01-390-1841
NSN 4140-01-212-5135
NSN 5950-01-280-5469
NSN 5985-00-501-2866
NSN 6130-01-024-7375
NSN 5950-00-306-4648
NSN 6650-01-375-0507
NSN 5905-01-369-2869
NSN 5998-00-409-0043
NSN 6130-01-579-3738