MIL-PRF-26542/9 › Complete Document History
Microphone Assembly and Microphone, Dynamic, M26542/9-01 and M-133/U

Complete Current Edition:
   REVISION C/AM 1 - Revision C/Amendment 1 Interfiled - Dec. 2, 2013
   REV C VALIDATION 4 - VALIDATION NOTICE 4 FOR REVISION C - June 14, 2019
   REV C VALIDATION 5 - CLASSIFIED - SEE YOUR CONTRACTING OFFICER - VALIDATION NOTICE 5 FOR REVISION C - Aug. 28, 2019

Obsolete Revision Information:
   REV C REINSTATEMENT 3 - REINSTATEMENT NOTICE 3 FOR REVISION C - July 22, 2013
   REV C CANCELLATION 2 - CANCELLATION NOTICE 2 FOR REVISION C - Sept. 12, 2012
   REV C VALIDATION 1 - VALIDATION NOTICE 1 FOR REVISION C - June 3, 2010
   REVISION C - MICROPHONE ASSEMBLY & MICROPHO - July 16, 2002
   REV B AMENDMENT 1 - AMENDMENT 1 FOR REVISION B - April 20, 1998
   REVISION B - MICROPHONE ASSEMBLY & MICROPHO - May 30, 1997