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 5945-00-189-2925
NSN 5895-00-233-7309
NSN 5998-01-580-0933
NSN 5925-01-254-2578
NSN 5915-01-515-6271
NSN 5985-01-429-0876
NSN 5935-01-330-9354
NSN 5925-01-464-0390
NSN 6150-01-438-8547
NSN 5920-01-401-5315
NSN 5950-00-351-9481
NSN 5998-00-945-4219