The document specifies the characteristics of flat washers, large diameter, in heat resisting steel, passivated, for maximum operating temperature 650 ? for aerospace applications.
DIN EN 2914:1996 history
1996DIN EN 2914:1996-04 Aerospace series - Washers, flat, large diameter, in heat resisting steel, passivated; German version EN 2914:1996
1996DIN EN 2914:1996 Aerospace series - Washers, flat, large diameter, in heat resisting steel, passivated; German version EN 2914:1996