MA-4021 Complete Document History
Ring, Retaining - Internal, Tapered, Type I, Class 1, AMS 5520, Metric

Complete Current Edition:
   REVISION A - STABILIZED Jan 2019 - Jan. 3, 2019

Obsolete Revision Information:
   BASE R12 - REAFFIRMED IN 2012 - Dec. 1, 2012
   BASE R06 - REAFFIRMED IN 2006 - June 1, 2006
   BASE R01 - REAFFIRMED IN 2001 - Oct. 1, 2001
   DOD ADOPTION 1 - FYI ONLY: DOD ADOPTED - May 12, 1989
   BASE - REAFFIRMED IN 1991 & 1995 - Sept. 1, 1987