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 6650-01-461-8283
NSN 5975-01-361-8760
NSN 5998-00-552-1473
NSN 5895-01-368-6025
NSN 5950-01-033-2133
NSN 5960-01-599-9821
NSN 5990-01-408-6554
NSN 5895-00-912-3556
NSN 6135-01-375-6724
NSN 5930-00-197-5907
NSN 5996-01-396-7705
NSN 6110-01-519-1859