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 5975-00-055-8870
NSN 2925-01-156-4335
NSN 5930-00-100-5736
NSN 5835-01-432-1277
NSN 5996-01-185-5415
NSN 6685-01-228-0864
NSN 5905-00-110-0947
NSN 5985-01-605-2470
NSN 2925-01-540-7389
NSN 6135-00-932-3136
NSN 5925-00-959-4983
NSN 5925-01-431-8437