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 6650-01-205-8578
NSN 5960-00-170-9614
NSN 5910-01-633-9963
NSN 5835-01-272-4087
NSN 5999-01-531-2680
NSN 5945-00-100-6269
NSN 6220-00-099-9192
NSN 5999-00-161-0093
NSN 6220-00-560-4012
NSN 5990-01-617-5156
NSN 5910-00-971-1710
NSN 6145-00-583-0314