A-A-1923 Complete Document History
Shield Expansion (Lag, Machine & Externally Threaded Wedge Bolt Anchors)

Complete Current Edition:
   REVISION A - SHIELD EXPANSION (LAG, MACHINE - July 18, 1995
   REV A VALIDATION 1 - VALIDATION NOTICE 1, REV A - Aug. 21, 2001
   REV A VALIDATION 2 - VALIDATION NOTICE 2, REV A - June 28, 2006
   REV A VALIDATION 3 - VALIDATION NOTICE 3 FOR REVISION A - Feb. 13, 2018
   REV A VALIDATION 4 - VALIDATION NOTICE 4 FOR REVISION A - Dec. 19, 2022

Obsolete Revision Information:
   BASE - SHIELD EXPANSION (LAG, MACHINE - May 2, 1983