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 2925-01-037-5383
NSN 5975-00-503-3607
NSN 6620-01-658-1849
NSN 6105-01-219-7378
NSN 6135-01-142-6456
NSN 4140-01-471-0828
NSN 5915-00-205-2615
NSN 5996-01-106-8903
NSN 5935-01-497-9241
NSN 6650-00-872-0942
NSN 5835-00-958-6231
NSN 5950-01-507-5183