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 5999-00-176-2335
NSN 5998-00-327-3789
NSN 6610-01-128-7748
NSN 2925-01-433-4374
NSN 5855-01-602-9653
NSN 6240-01-440-9827
NSN 5905-01-462-3099
NSN 6650-01-334-9410
NSN 5855-00-055-1579
NSN 6220-00-930-8338
NSN 7035-00-232-4043
NSN 5925-01-327-2731