This standard specifies the characteristics of flat washers, in aluminium alloy, anodized or chromated, for maximum operating temperature 120°C, for aerospace applications.
DS/EN 2122:1996 history
1996DS/EN 2122:1996 Aerospace series - Washers, flat, in aluminium alloy, anodized or chromated
1994DS/EN 2122:1994 Aerospace series - Washers,flat,in aluminium alloy, anodized or chromated