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 6145-01-091-7015
NSN 5990-00-351-5479
NSN 5999-01-278-2813
NSN 6105-00-491-9945
NSN 5998-01-006-0044
NSN 5945-00-186-5069
NSN 6145-01-115-8258
NSN 5998-01-564-2705
NSN 6320-01-285-1922
NSN 6685-01-084-8841
NSN 6145-00-910-8847
NSN 6620-01-003-2905