AMS-7493 Complete Document History
Rings, Flash Welded, Ferritic and Martensitic Corrosion-Resistant Steels

Complete Current Edition:
   REVISION L R19 - REAFFIRMED IN 2019 - Aug. 1, 2019

Obsolete Revision Information:
   REVISION L R12 - REAFFIRMED IN 2012 - Oct. 1, 2012
   REVISION L R07 - REAFFIRMED IN 2007 - Aug. 1, 2007
   REVISION L - RINGS, FLASH WELDED, FERRITIC - Jan. 1, 2003
   REVISION K - RINGS, FLASH WELDED, FERRITIC - June 1, 1996
   REVISION J - RINGS, FLASH WELDED, FERRITIC - Oct. 1, 1991
   REVISION H - OBSOLETE REVISION BY REQUEST - July 1, 1980
   REVISION G - OBSOLETE REVISION BY REQUEST - April 1, 1978
   REVISION F - OBSOLETE REVISION BY REQUEST - Nov. 1, 1968
   REVISION E - OBSOLETE REVISION BY REQUEST - March 1, 1966
   REVISION D - OBSOLETE REVISION BY REQUEST - Nov. 1, 1960
   REVISION C - OBSOLETE REVISION BY REQUEST - Feb. 1, 1956
   REVISION B - OBSOLETE REVISION BY REQUEST - March 1, 1955
   REVISION A - OBSOLETE REVISION BY REQUEST - Nov. 1, 1952
   BASE - OBSOLETE REVISION BY REQUEST - June 1, 1951