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 5835-01-626-9603
NSN 2925-00-947-3181
NSN 5895-01-523-3309
NSN 6240-01-426-5581
NSN 6220-00-051-4198
NSN 5915-00-606-7469
NSN 6150-01-281-7279
NSN 4140-00-501-7833
NSN 5925-01-428-9978
NSN 5920-01-205-7302
NSN 5999-00-922-6035
NSN 5960-00-193-6867