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 6135-00-613-1068
NSN 5835-00-933-9609
NSN 5999-01-417-2123
NSN 6105-01-077-0633
NSN 6685-00-836-1636
NSN 5996-00-644-0205
NSN 5945-00-878-6087
NSN 6685-01-552-0168
NSN 4140-00-517-7902
NSN 5985-01-394-3850
NSN 5855-00-151-3853
NSN 5920-01-354-4645