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 6105-00-492-4702
NSN 5990-01-432-0523
NSN 5895-00-070-5527
NSN 5950-01-124-8527
NSN 6145-01-382-7856
NSN 6650-01-005-0714
NSN 5925-00-078-9566
NSN 6620-01-148-5191
NSN 6320-01-192-0332
NSN 6685-01-604-8958
NSN 5945-01-378-8164
NSN 5910-01-181-5582