This "Aerospace Series" Prestandard has been drawn up under the responsibility of AECMA (The
European Association of Aerospace Industries). it is published on green paper for the needs of
AECMA-Members. It has been technically approved by the experts of the concerned Technical
Committee following comment by the Member countries.
AECMA PREN 3711-1990 history
1990AECMA PREN 3711-1990 Aerospace Series Wrench-Double Ended, Bi-Hexagonal Straight, Cranked, Offset Issue P 1