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 5915-01-655-8917
NSN 6645-00-558-0028
NSN 5935-00-252-1800
NSN 5930-01-197-7372
NSN 5925-00-502-3793
NSN 5960-00-563-3543
NSN 6135-01-176-2206
NSN 5950-01-381-4137
NSN 6150-01-448-0983
NSN 6145-01-198-2479
NSN 6150-01-004-5272
NSN 6105-00-695-0401