NASA reclassified this as fifth level; Renumbered/ Superseded by UFGS 23 31 13.00 40 Metal Ducts
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 | Date | Action | Change # | Nature of Change or Revision |
|---|---|---|---|---|---|
| Feb-2011 | S | Feb-2009 | D |
NASA reclassified this as fifth level; Renumbered/ Superseded by UFGS 23 31 13.00 40 with same title |
|
| Feb-2009 | S | Feb-2009 | R |
Section References (SRF) update |
|
| Nov-2008 | S | Nov-2008 | R |
Section References (SRF) update |
|
| Aug-2008 | S | Aug-2008 | R |
Title changed from Ducts, Low Pressure; Section References (SRF) update |
|
| Apr-2008 | S | Apr-2008 | N |
Superseding UFGS 23 31 11.11 40 Duct, Low Pressure and UFGS 23 31 11.12 40 Ducts, Medium/High Pressure |
