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 6320-00-270-8222
NSN 7035-01-386-5722
NSN 5998-01-379-3523
NSN 5905-01-252-9097
NSN 6320-00-578-6898
NSN 5945-01-571-8594
NSN 5965-01-141-6485
NSN 5990-00-106-6609
NSN 5975-01-106-3595
NSN 5999-01-472-2515
NSN 6110-01-201-7617
NSN 5925-00-864-6228