This "Aerospace Series" Presfandard has been drawn up under the responsibilify of AECMA-STAN (The
European Association of Aerospace Industries - Standardization). It is published on green paper for the
needs of the European Aerospace Industty. It has been technically approved by the experts of the
concerned Domain following member comments.
AECMA PREN 3433-1999 history
1999AECMA PREN 3433-1999 Aerospace Series Lockwashers, Heat Resisting Steel, Passivated Edition P 2; Withdrawn - Not Replaced
1989AECMA PREN 3433-1989 Aerospace Series Lockwashers Heat Resisting Steel, Passivated Issue P 1