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 6110-01-370-4984
NSN 5990-01-378-7349
NSN 5945-01-591-5355
NSN 6645-00-223-8018
NSN 5895-00-368-9243
NSN 5905-01-138-7004
NSN 2925-01-434-6945
NSN 6220-01-652-3590
NSN 5920-01-360-5681
NSN 4140-01-074-4608
NSN 6145-00-877-2794
NSN 6685-00-894-3239