Vest Body Armor. NSN: 9-5250 | Model: FQ/PD 07-05. Inc 66779 reinstated on 051812~inc 66779 cancelled/replaced by, inc 66824, fiig a23900, app-key a, on 100501 body armor designed to provide protection to the torso, front and/or back, from injury due to shocks, blows, projectiles, or the like.