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 5920-00-294-0753
NSN 5895-01-191-3459
NSN 5855-01-088-8700
NSN 5999-00-275-5823
NSN 4140-01-350-3277
NSN 6150-01-359-4876
NSN 6145-01-145-5177
NSN 5960-00-365-9668
NSN 5930-01-578-5927
NSN 5935-01-056-5176
NSN 5965-01-259-9591
NSN 5950-01-172-4307