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 5945-00-269-5375
NSN 6135-01-442-0888
NSN 6650-00-221-7119
NSN 5910-01-283-3041
NSN 5999-00-326-3965
NSN 5950-00-142-0609
NSN 6145-01-104-5084
NSN 5915-00-917-5008
NSN 5999-01-605-5150
NSN 5996-00-205-2701
NSN 5960-01-341-5198
NSN 6320-01-600-0787