This standard is initially published on green paper for the needs of AECMA-Members (Association Europeenne des Constructeurs de Matdriel Adrospatial). it has been technically approved by the
experts of the concerned AECMA Commission following comment by the manufacturers of the Member countries.
AECMA PREN 4051-1995 history
1995AECMA PREN 4051-1995 Aerospace Series Pipe Couplings, 60 Degrees, Spherical, in Titanium Alloy Port Connection Edition P 1