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 5950-00-666-1887
NSN 5998-01-397-4224
NSN 5835-01-071-6376
NSN 6135-01-568-3234
NSN 5975-01-398-6915
NSN 5950-00-886-9670
NSN 5920-01-210-2300
NSN 5965-01-040-9814
NSN 6130-00-548-2952
NSN 2925-01-502-5896
NSN 6105-00-030-9034
NSN 5930-01-006-3520