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 5835-01-509-8992
NSN 6620-01-481-1358
NSN 6145-01-605-7638
NSN 5855-00-149-0766
NSN 5905-01-421-3023
NSN 6105-01-190-5507
NSN 5965-00-823-8623
NSN 5985-00-175-8662
NSN 6135-01-486-7709
NSN 5915-00-552-4355
NSN 6135-01-421-3189
NSN 5996-01-541-4974