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 5965-00-917-6996
NSN 5855-00-361-0167
NSN 5915-01-153-2623
NSN 5905-01-557-5395
NSN 5960-00-483-0161
NSN 5999-01-438-0059
NSN 5960-01-484-2042
NSN 5998-01-216-6564
NSN 5960-00-931-4215
NSN 6150-00-183-6584
NSN 6650-01-200-9704
NSN 6320-00-164-4087