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 5915-01-084-1883
NSN 6685-00-364-5404
NSN 5945-01-322-1741
NSN 5999-01-015-5399
NSN 5895-01-204-8433
NSN 6320-01-622-5493
NSN 4140-01-497-8528
NSN 5915-01-449-3198
NSN 5975-00-494-0703
NSN 5910-01-484-8830
NSN 5990-00-150-6979
NSN 6145-01-297-1806