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 5960-01-331-1076
NSN 5935-01-592-3057
NSN 5925-00-393-2410
NSN 5998-01-142-6202
NSN 6145-01-428-7754
NSN 2925-01-464-2949
NSN 6135-01-482-3989
NSN 5835-01-426-4826
NSN 5935-00-291-4910
NSN 7035-01-471-8349
NSN 5990-01-054-4255
NSN 6110-01-152-2547