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 5975-01-438-4275
NSN 5920-01-210-7648
NSN 5855-01-112-7725
NSN 6150-01-339-6338
NSN 5910-01-415-2085
NSN 5985-01-139-2735
NSN 6645-00-526-9476
NSN 5855-01-491-0140
NSN 5935-01-431-8150
NSN 6145-00-679-6470
NSN 6105-01-314-4846
NSN 4140-00-064-7847