This "Aerospace Series" Prestandard has been drawn up under the responsibility of AECMA
(Association Européenne des Constructeurs de Matériel Aérospatial). 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 3325-1991 history
1991AECMA PREN 3325-1991 Aerospace Series Bolts, T-head, Relieved Shank, Long Thread, in Heat Resisting Steel, FE-PM38(FV535) Classification: 1000 MPa/550 Degrees Celsius Unplated Issue P 1