UFGS 28 31 73.00 20 Exterior Fire Alarm System, Closed Circuit Telegraphic Type  

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
Aug-2023 N D

Section has been Archived with no replacement.
Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.

Feb-2010 N R

Section References (SRF) update