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 5895-00-518-4954
NSN 5985-01-415-6820
NSN 6650-01-191-1669
NSN 5895-01-092-6373
NSN 6645-01-299-7806
NSN 5975-01-275-6910
NSN 5945-01-511-0435
NSN 5935-00-884-2751
NSN 5920-01-252-0193
NSN 6320-01-420-0340
NSN 5990-01-437-4876
NSN 5996-00-987-0934