UFGS 23 37 13.00 40 Diffusers, Registers, and Grills  

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
May-2015 S R

Tri-Annual Database Maintenance (TADM) completed

Nov-2012 S C 1

Submittal Article compliance

May-2010 S N

Renumbered to NASA fifth level; Superseding UFGS 23 37 13 with no title change

Aug-2008 S D

Renumbered/ Superseded by UFGS 23 37 13 with same title

Apr-2008 S R

Section References (SRF) update

Jun-2006 S R

Title changed from DIFFUSERS; Section References (SRF) updated