ASME-B4.1 Complete Document History
Preferred Limits and Fits for Cylindrical Parts

Complete Current Edition:
   1967 R20 EDITION - REAFFIRMED IN 2020 - STICKER ONLY - Jan. 1, 2020

Obsolete Revision Information:
   1967 EDITION - REAFFIRMED IN 2009 - Sept. 18, 1967