UFGS 27 21 00.00 40 Intercommunication System  

History: Below is a listing of the Revisions and Changes made to this UFGS.

KEY PREPARING ACTIVITY (PA) A Army N Navy F Air Force S NASA
ACTION N New R Revision C Change D Deletion
Release PA Action Change # Nature of Change or Revision
Nov-2021 S D

Superseded by new unified UFGS 27 51 23 INTERCOMMUNICATION SYSTEM.
Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.

Feb-2016 S R

Tri-Annual Database Maintenance (TADM) completed

Nov-2012 S C 1

Tri-Annual Database Maintenance which includes, updating CSI Section Format per latest UFC 1-300-02; modified text in General Not and Part 1, deleted Subpart 1.2, 1.3, 1.3.1, 1.3.2, 1.3.3,added Subpart 2.1 - 2.1.1.3, modified 2.2.4 - 2.2.4.2; Submittal Article compliance, Imperative language

Feb-2011 S R

CCR #390 - comments were incorporated

Nov-2008 S N

Superseding UFGS 40 95 33.23 40 Fiber Optic Process Control Networks