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 6150-01-528-6748
NSN 6650-01-338-9998
NSN 5975-01-455-4853
NSN 5910-01-371-4137
NSN 6320-00-456-0836
NSN 5930-00-073-2244
NSN 5895-00-829-5575
NSN 5895-00-644-5712
NSN 4140-00-907-6967
NSN 5985-01-616-4499
NSN 6610-00-061-7882
NSN 6130-01-418-0786