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 5950-01-165-3001
NSN 5996-00-246-2528
NSN 5920-00-513-4546
NSN 7035-01-406-6510
NSN 5920-01-277-2099
NSN 2925-01-539-4486
NSN 5895-00-158-4343
NSN 6150-00-372-5979
NSN 7035-01-240-9732
NSN 7035-00-020-2227
NSN 5925-01-411-7839
NSN 6150-00-063-8715