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 5965-01-420-6613
NSN 5975-01-440-9080
NSN 6110-01-329-9044
NSN 7035-00-517-8232
NSN 5990-00-772-9277
NSN 5965-01-481-4895
NSN 5930-01-433-5052
NSN 2925-00-400-5634
NSN 5905-00-969-6812
NSN 5945-01-379-1227
NSN 5975-01-304-3887
NSN 6645-00-664-4665