The document specifies the characteristics of flat washers, in heat resisting steel, passivated, for maximum operating temperature 650 ? for aerospace applications.#,,#
DIN EN 2998:1996 history
1996DIN EN 2998:1996-04 Aerospace series - Washers, flat, in heat resisting steel, passivated; German version EN 2998:1996
1996DIN EN 2998:1996 Aerospace series - Washers, flat, in heat resisting steel, passivated; German version EN 2998:1996