The document specifies the characteristics of flat washers, large diameter, in aluminium alloy, anodized or chromated, for maximum operating temperature 120 ? for aerospace applications.
DIN EN 2912:1996 history
1996DIN EN 2912:1996-04 Aerospace series - Washers, flat, large diameter, in aluminium alloy, anodized or chromated; German version EN 2912:1996
1996DIN EN 2912:1996 Aerospace series - Washers, flat, large diameter, in aluminium alloy, anodized or chromated; German version EN 2912:1996