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 5835-01-279-2580
NSN 5915-01-598-6156
NSN 5895-00-879-9193
NSN 5895-00-213-2918
NSN 6105-01-349-8588
NSN 6145-01-377-0706
NSN 6135-00-753-2276
NSN 6650-01-152-0665
NSN 5895-01-087-6335
NSN 5925-01-389-1215
NSN 6130-01-558-5343
NSN 5996-01-326-6034