ISO-12125 Complete Document History
Prevailing torque type hexagon nuts with flange (with non-metallic insert) with metric fine pitch thread, style 2 - Product grades A and B

Complete Current Edition:
   2ND EDITION - fine pitch thread, style 2 - Product grades A and B - Sept. 1, 2012

Obsolete Revision Information:
   1ST EDITION - PRODUCT GRADES A & B, PREVAILI - Nov. 15, 1997