UFGS 13 49 10 X-Ray Shielding  

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-2018 A C 1

Updated reference in response to CCRs 6683 and 6685.

Nov-2015 A R

Superseding UFGS 13 49 19 with no title change; Nontechnical number revision; Did not change Section date.