ASME-B18.2.2 Complete Document History
Nuts for General Applications: Machine Screw Nuts, Hex, Square, Hex Flange, and Coupling Nuts (Inch Series)

Complete Current Edition:
   2022 EDITION - Square, Hex Flange, and Coupling Nuts (Inch Series) - March 11, 2022

Obsolete Revision Information:
   2015 EDITION - Nuts for General Applications: Machine Screw Nuts, Hex, Square, Hex Flange, and Coupling Nuts (Inch Series) - Nov. 25, 2015
   2010 EDITION - Nuts for General Applications: Machine Screw Nuts, Hex, Squa - Nov. 30, 2010
   1987 EDITION - REAFFIRMED IN 2005 - Aug. 15, 1987