AS-1960/4 Complete Document History
Flange End, Design Standard

Complete Current Edition:
   BASE R13 - REAFFIRMED IN 2013 - Jan. 1, 2013

Obsolete Revision Information:
   BASE R07 - REAFFIRMED IN 2007 - Aug. 1, 2007
   BASE R01 - REAFFIRMED IN 2001 - Dec. 1, 2001
   DOD ADOPTION - FYI ONLY: DOD ADOPTED - Aug. 26, 1991
   BASE - REAFFIRMED IN 1991 & 1996 - June 30, 1986