ASME-B18.13.1M › Complete Document History
Screw and Washer Assemblies SEMS (Metric Series)

Complete Current Edition:
   2011 R22 EDITION - REAFFIRMED IN 2022 - Jan. 1, 2022

Obsolete Revision Information:
   2011 R16 EDITION - REAPPROVED IN 2016 - STICKER ONLY - Jan. 1, 2016
   2011 EDITION - Screw and Washer Assemblies SEMS (Metric Series) - Jan. 1, 2011
   1998 EDITION - REAFFIRMED IN 2008 - Jan. 1, 1998
   DOD ADOPTION - FYI ONLY: DOD ADOPTED - Sept. 29, 1995
   1991 EDITION - Screw and Washer Assemblies SEMS (Metric Series) - Jan. 1, 1991