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 6110-01-076-1737
NSN 2925-00-833-9466
NSN 6110-00-999-8909
NSN 5960-01-628-2760
NSN 5925-01-510-6291
NSN 4140-01-501-7623
NSN 5855-01-058-6687
NSN 6650-01-498-2633
NSN 6105-01-089-9143
NSN 5930-00-454-7041
NSN 5975-01-530-3517
NSN 5996-01-633-2867