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 5965-01-339-8139
NSN 6240-01-304-6355
NSN 5915-01-013-8995
NSN 5965-00-893-6602
NSN 6110-01-218-4719
NSN 6645-01-251-3986
NSN 6650-00-140-8776
NSN 5910-01-617-1860
NSN 5999-01-547-2080
NSN 5998-00-931-1156
NSN 7035-00-908-4933
NSN 6105-01-322-4071