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 6220-01-184-0228
NSN 5905-00-170-7161
NSN 6110-01-631-2624
NSN 7035-00-064-7008
NSN 5835-01-022-6362
NSN 6650-01-340-9809
NSN 5835-01-034-1255
NSN 6620-01-062-7163
NSN 5996-01-049-1483
NSN 6135-01-462-6040
NSN 6130-00-810-0740
NSN 5835-00-909-8088