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 6105-01-462-1657
NSN 5905-01-011-1257
NSN 6240-01-469-6469
NSN 7035-01-029-7221
NSN 6145-00-224-5245
NSN 5998-01-142-8330
NSN 5905-00-391-6279
NSN 5950-01-578-7857
NSN 6645-01-061-2916
NSN 5895-01-280-7119
NSN 6645-01-265-0648
NSN 5915-01-657-6931