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 5945-00-004-4596
NSN 5950-01-399-5421
NSN 6620-00-004-5466
NSN 5996-00-622-4904
NSN 5950-00-044-2077
NSN 6135-01-205-5965
NSN 6240-00-752-2581
NSN 5905-00-905-6981
NSN 5905-00-942-9764
NSN 5905-00-208-6178
NSN 6220-01-250-8723
NSN 2925-00-651-7700