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 5990-01-101-7602
NSN 5965-01-614-0156
NSN 5975-01-546-1533
NSN 5915-00-936-6534
NSN 5998-00-948-0518
NSN 6650-01-399-8552
NSN 5915-00-377-5733
NSN 6135-01-364-0667
NSN 5930-00-111-3345
NSN 5930-01-313-6037
NSN 5935-00-752-2835
NSN 6610-01-349-6333