AMS-6274 Complete Document History
Steel, Bars, Forgings, and Tubing, 0.50Cr - 0.55Ni - 0.20Mo (0.18 - 0.23C) (SAE 8620)

Complete Current Edition:
   REVISION S - Steel, Bars, Forgings, and Mechanical Tubing 0.50Cr - 0.55Ni - 0.20Mo (0.18 - 0.23C) (SAE 8620) - July 23, 2021

Obsolete Revision Information:
   REVISION R - Steel, Bars, Forgings, and Tubing, 0.50Cr - 0.55Ni - 0.20Mo (0.18 - 0.23C) (SAE 8620) - June 30, 2016
   REVISION P - Steel, Bars, Forgings, and Tubing, 0.50Cr - 0.55Ni - 0.20Mo - June 23, 2011
   REVISION N - Steel, Bars, Forgings, and Tubing, 0.50Cr - 0.55Ni - 0.20Mo - May 17, 2006
   REVISION M - Steel, Bars, Forgings, and Tubing, 0.50Cr - 0.55Ni - 0.20Mo - Feb. 1, 2002
   REVISION L - REAFFIRMED 1994 - Jan. 1, 1991
   REVISION K - OBSOLETE REVISION BY REQUEST - Oct. 1, 1984
   REVISION J - OBSOLETE REVISION BY REQUEST - Jan. 15, 1979
   REVISION H - OBSOLETE REVISION BY REQUEST - May 15, 1972
   REVISION G - OBSOLETE REVISION BY REQUEST - March 15, 1966
   REVISION F - OBSOLETE REVISION BY REQUEST - June 1, 1951
   REVISION E - OBSOLETE REVISION BY REQUEST - Aug. 1, 1949
   REVISION D - OBSOLETE REVISION BY REQUEST - Nov. 1, 1946
   REVISION C - OBSOLETE REVISION BY REQUEST - May 1, 1945
   REVISION B - OBSOLETE REVISION BY REQUEST - Aug. 1, 1944
   REVISION A - OBSOLETE REVISION BY REQUEST - April 1, 1943
   BASE - OBSOLETE REVISION BY REQUEST - Sept. 1, 1942