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 5990-00-723-2482
NSN 5925-01-604-4008
NSN 5835-00-408-5499
NSN 6130-01-148-0083
NSN 5835-01-432-8801
NSN 6240-01-556-7096
NSN 6145-01-512-8688
NSN 5996-01-544-7773
NSN 5960-01-287-4187
NSN 6610-01-156-0810
NSN 5975-01-314-0650
NSN 5950-01-162-4545