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 6645-00-042-9587
NSN 5960-01-068-6841
NSN 6145-01-561-5249
NSN 7035-01-396-3343
NSN 6130-00-905-5618
NSN 7035-00-574-4223
NSN 5930-01-359-8164
NSN 5915-00-877-0688
NSN 5935-01-445-6323
NSN 6645-01-117-6156
NSN 6610-00-061-7882
NSN 5950-01-634-0677