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 6220-00-419-0635
NSN 2925-00-211-4761
NSN 5895-01-205-0014
NSN 5925-00-126-1489
NSN 5999-01-395-9678
NSN 4140-00-274-4002
NSN 5895-01-592-3237
NSN 5985-01-265-8416
NSN 6110-01-416-6743
NSN 5835-01-368-4015
NSN 6320-00-139-1090
NSN 6650-01-265-2672