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 5975-00-736-3420
NSN 5915-01-265-2464
NSN 6130-00-753-2807
NSN 5999-01-254-9700
NSN 5950-00-165-1574
NSN 6110-00-663-4054
NSN 5905-01-502-5577
NSN 5985-00-303-8092
NSN 5835-00-491-3834
NSN 5996-01-585-0094
NSN 5905-00-960-8451
NSN 5835-00-811-4554