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 7035-01-283-2536
NSN 5985-01-227-0848
NSN 5999-01-188-7225
NSN 6110-01-449-3181
NSN 6105-01-432-2249
NSN 6145-01-256-6898
NSN 5945-01-395-3021
NSN 5915-00-066-5146
NSN 4140-00-981-8580
NSN 2925-01-226-6126
NSN 6685-01-172-5482
NSN 5950-01-559-8234