ANSI-B4.1 Complete Document History
Preferred Limits and Fits for Cylindrical Parts (See: ASME-B4.1)

Complete Current Edition:
   FOR 1967 EDITION SEE - ASME-B4.1 - Sept. 18, 1967

Obsolete Revision Information:
   1967 R87 EDITION - REAFFIRMED IN 1987 - Sept. 18, 1967
   1967 R94 EDITION - REAFFIRMED IN 2009 - Sept. 18, 1967