This specification has been declared NONCURRENT by the Aerospace Materials Division, SAE, as of August 2006. It is recommended, therefore, that this specification not be specified for new designs.
SAE AMS4148E-1999 history
2017SAE AMS4148F-2017 Aluminum Alloy Die Forgings (7175-T66) Solution and Precipitation Heat Treated (UNS A97175)
2011SAE AMS4148E-2011 Aluminum Alloy Die Forgings (7175-T66) Solution and Precipitation Heat Treated
2011SAE AMS4148B-2011 ALUMINUM ALLOY DIE FORGINGS 5.6Zn - 2.5Mg - 1.6Cu - 0.23Cr (7175-T66) Solution and Precipitation Heat Treated
2006SAE AMS4148E-2006 Aluminum Alloy Die Forgings (7175-T66) Solution and Precipitation Heat Treated
1999SAE AMS4148E-1999 Aluminum Alloy Die Forgings (7175-T66) Solution and Precipitation Heat Treated
1999SAE AMS4148D-1999 Aluminum Alloy Die Forgings (7175-T66) Solution and Precipitation Heat Treated UNS A97175
1993SAE AMS4148C-1993 Aluminum Alloy Die Forgings 5.6Zn - 2.5Mg - 1.6Cu - 0.23Cr (7175-T66) Solution and Precipitation Heat Treated
1981SAE AMS4148A-1981 ALUMINUM ALLOY DIE FORGINGS 5.6Zn - 2.5Mg - 1.6Cu - 0.23Cr (7175-T66) Solution and Precipitation Heat Treated
1971SAE AMS4148-1971 ALUMINUM ALLOY DIE FORGINGS 5.6Zn - 2.5Mg - 1.6Cu - 0.24Cr (7175-T66) Solution and Precipitation Heat Treated