This standard specifies the characteristics of the installation holes required for the utilization of clip nuts with design configuration to EN-Standards for aerospace applications.
BS EN 3741:2004 history
2005BS EN 3741:2005 Aerospace series - Nuts, clip, metric - Installation holes and assembly
2005BS EN 3741:2004 Nuts, clip, metric - Installation holes and assembly
2003BS EN 3741:2003 Aerospace series - Nuts, clip, metric - Installation holes and assembly