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 6220-01-071-2100
NSN 2925-01-556-0333
NSN 6320-01-370-5222
NSN 6240-01-529-6624
NSN 6130-00-960-9158
NSN 7035-00-455-7666
NSN 5975-01-231-9549
NSN 6650-00-832-6970
NSN 5905-01-067-0024
NSN 5965-01-441-9505
NSN 5895-01-492-6595
NSN 5935-01-367-1961