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 5965-00-258-6809
NSN 7035-01-146-1578
NSN 5895-01-607-0658
NSN 5910-01-397-2770
NSN 5835-01-521-0298
NSN 5935-01-528-3425
NSN 5895-01-171-4583
NSN 6220-00-055-2925
NSN 5905-00-991-6061
NSN 6145-01-656-3903
NSN 5835-01-059-5535
NSN 6685-01-281-7267