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 6150-01-593-2148
NSN 5965-01-359-5501
NSN 5950-01-373-8265
NSN 6645-00-593-5420
NSN 5975-00-771-5284
NSN 5920-01-401-5315
NSN 6220-00-953-4652
NSN 5930-01-495-3269
NSN 5975-01-274-8813
NSN 5945-01-249-4647
NSN 6650-01-487-6274
NSN 6110-00-280-2753