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 5930-01-573-1171
NSN 5965-01-261-6073
NSN 5985-00-811-4729
NSN 6320-01-600-5808
NSN 6685-00-184-3894
NSN 5975-00-110-6171
NSN 5999-01-442-7643
NSN 6240-00-591-6836
NSN 6220-00-116-0163
NSN 5985-01-010-2743
NSN 7035-01-145-5059
NSN 5996-00-115-9297